diff --git a/drivers/net/3c503.c b/drivers/net/3c503.c
index f9e7ffb..9c23336 100644
--- a/drivers/net/3c503.c
+++ b/drivers/net/3c503.c
@@ -177,6 +177,7 @@
     int i, iobase_reg, membase_reg, saved_406, wordlength, retval;
     static unsigned version_printed;
     unsigned long vendor_id;
+    DECLARE_MAC_BUF(mac);
 
     if (!request_region(ioaddr, EL2_IO_EXTENT, DRV_NAME))
 	return -EBUSY;
@@ -226,7 +227,8 @@
 
     /* Retrieve and print the ethernet address. */
     for (i = 0; i < 6; i++)
-	printk(" %2.2x", dev->dev_addr[i] = inb(ioaddr + i));
+	dev->dev_addr[i] = inb(ioaddr + i);
+    printk("%s", print_mac(mac, dev->dev_addr));
 
     /* Map the 8390 back into the window. */
     outb(ECNTRL_THIN, ioaddr + 0x406);
diff --git a/drivers/net/3c505.c b/drivers/net/3c505.c
index c05bb3f..9c65734 100644
--- a/drivers/net/3c505.c
+++ b/drivers/net/3c505.c
@@ -1386,6 +1386,7 @@
 	unsigned long timeout;
 	unsigned long cookie = 0;
 	int err = -ENODEV;
+	DECLARE_MAC_BUF(mac);
 
 	/*
 	 *  setup adapter structure
@@ -1521,11 +1522,10 @@
 	/*
 	 * print remainder of startup message
 	 */
-	printk(KERN_INFO "%s: 3c505 at %#lx, irq %d, dma %d, ",
-	       dev->name, dev->base_addr, dev->irq, dev->dma);
-	printk("addr %02x:%02x:%02x:%02x:%02x:%02x, ",
-	       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-	       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	printk(KERN_INFO "%s: 3c505 at %#lx, irq %d, dma %d, "
+	       "addr %s, ",
+	       dev->name, dev->base_addr, dev->irq, dev->dma,
+	       print_mac(mac, dev->dev_addr));
 
 	/*
 	 * read more information from the adapter
diff --git a/drivers/net/3c507.c b/drivers/net/3c507.c
index 3d06271..964d31a 100644
--- a/drivers/net/3c507.c
+++ b/drivers/net/3c507.c
@@ -357,6 +357,7 @@
 	static unsigned char init_ID_done, version_printed;
 	int i, irq, irqval, retval;
 	struct net_local *lp;
+	DECLARE_MAC_BUF(mac);
 
 	if (init_ID_done == 0) {
 		ushort lrs_state = 0xff;
@@ -402,10 +403,9 @@
 	dev->base_addr = ioaddr;
 
 	outb(0x01, ioaddr + MISC_CTRL);
-	for (i = 0; i < 6; i++) {
+	for (i = 0; i < 6; i++)
 		dev->dev_addr[i] = inb(ioaddr + i);
-		printk(" %02x", dev->dev_addr[i]);
-	}
+	printk(" %s", print_mac(mac, dev->dev_addr));
 
 	if (mem_start)
 		net_debug = mem_start & 7;
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c
index 7466987..c576fe7 100644
--- a/drivers/net/3c509.c
+++ b/drivers/net/3c509.c
@@ -313,8 +313,9 @@
 static int __init el3_common_init(struct net_device *dev)
 {
 	struct el3_private *lp = netdev_priv(dev);
-	short i;
 	int err;
+	DECLARE_MAC_BUF(mac);
+	const char *if_names[] = {"10baseT", "AUI", "undefined", "BNC"};
 
 	spin_lock_init(&lp->lock);
 
@@ -346,17 +347,10 @@
 		return err;
 	}
 
-	{
-		const char *if_names[] = {"10baseT", "AUI", "undefined", "BNC"};
-		printk("%s: 3c5x9 found at %#3.3lx, %s port, address ",
-			dev->name, dev->base_addr,
-			if_names[(dev->if_port & 0x03)]);
-	}
-
-	/* Read in the station address. */
-	for (i = 0; i < 6; i++)
-		printk(" %2.2x", dev->dev_addr[i]);
-	printk(", IRQ %d.\n", dev->irq);
+	printk(KERN_INFO "%s: 3c5x9 found at %#3.3lx, %s port, "
+	       "address %s, IRQ %d.\n",
+	       dev->name, dev->base_addr, if_names[(dev->if_port & 0x03)],
+	       print_mac(mac, dev->dev_addr), dev->irq);
 
 	if (el3_debug > 0)
 		printk(KERN_INFO "%s", version);
diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c
index 38a2ebe..275e751 100644
--- a/drivers/net/3c515.c
+++ b/drivers/net/3c515.c
@@ -569,6 +569,7 @@
 	unsigned int eeprom[0x40], checksum = 0;	/* EEPROM contents */
 	int i;
 	int irq;
+	DECLARE_MAC_BUF(mac);
 
 	if (idev) {
 		irq = pnp_irq(idev, 0);
@@ -630,8 +631,7 @@
 	checksum = (checksum ^ (checksum >> 8)) & 0xff;
 	if (checksum != 0x00)
 		printk(" ***INVALID CHECKSUM %4.4x*** ", checksum);
-	for (i = 0; i < 6; i++)
-		printk("%c%2.2x", i ? ':' : ' ', dev->dev_addr[i]);
+	printk(" %s", print_mac(mac, dev->dev_addr));
 	if (eeprom[16] == 0x11c7) {	/* Corkscrew */
 		if (request_dma(dev->dma, "3c515")) {
 			printk(", DMA %d allocation failed", dev->dma);
diff --git a/drivers/net/3c523.c b/drivers/net/3c523.c
index 10852b2..239fc42 100644
--- a/drivers/net/3c523.c
+++ b/drivers/net/3c523.c
@@ -383,8 +383,8 @@
 static int elmc_getinfo(char *buf, int slot, void *d)
 {
 	int len = 0;
-	struct net_device *dev = (struct net_device *) d;
-	int i;
+	struct net_device *dev = d;
+	DECLARE_MAC_BUF(mac);
 
 	if (dev == NULL)
 		return len;
@@ -399,12 +399,8 @@
 	len += sprintf(buf + len, "Transceiver: %s\n", dev->if_port ?
 		       "External" : "Internal");
 	len += sprintf(buf + len, "Device: %s\n", dev->name);
-	len += sprintf(buf + len, "Hardware Address:");
-	for (i = 0; i < 6; i++) {
-		len += sprintf(buf + len, " %02x", dev->dev_addr[i]);
-	}
-	buf[len++] = '\n';
-	buf[len] = 0;
+	len += sprintf(buf + len, "Hardware Address: %s\n",
+		       print_mac(mac, dev->dev_addr));
 
 	return len;
 }				/* elmc_getinfo() */
@@ -422,6 +418,7 @@
 	unsigned int size = 0;
 	int retval;
 	struct priv *pr = dev->priv;
+	DECLARE_MAC_BUF(mac);
 
 	if (MCA_bus == 0) {
 		return -ENODEV;
@@ -544,12 +541,11 @@
 
 	/* The hardware address for the 3c523 is stored in the first six
 	   bytes of the IO address. */
-	printk(KERN_INFO "%s: hardware address ", dev->name);
-	for (i = 0; i < 6; i++) {
+	for (i = 0; i < 6; i++)
 		dev->dev_addr[i] = inb(dev->base_addr + i);
-		printk(" %02x", dev->dev_addr[i]);
-	}
-	printk("\n");
+
+	printk(KERN_INFO "%s: hardware address %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	dev->open = &elmc_open;
 	dev->stop = &elmc_close;
diff --git a/drivers/net/3c527.c b/drivers/net/3c527.c
index 5b5f44c..b72b89d 100644
--- a/drivers/net/3c527.c
+++ b/drivers/net/3c527.c
@@ -336,6 +336,7 @@
 		"82586 initialisation failure",
 		"Adapter list configuration error"
 	};
+	DECLARE_MAC_BUF(mac);
 
 	/* Time to play MCA games */
 
@@ -396,17 +397,17 @@
 	 *	Go PROM browsing
 	 */
 
-	printk("%s: Address ", dev->name);
-
 	/* Retrieve and print the ethernet address. */
 	for (i = 0; i < 6; i++)
 	{
 		mca_write_pos(slot, 6, i+12);
 		mca_write_pos(slot, 7, 0);
 
-		printk(" %2.2x", dev->dev_addr[i] = mca_read_pos(slot,3));
+		dev->dev_addr[i] = mca_read_pos(slot,3);
 	}
 
+	printk("%s: Address %s", dev->name, print_mac(mac, dev->dev_addr));
+
 	mca_write_pos(slot, 6, 0);
 	mca_write_pos(slot, 7, 0);
 
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index ad0f6a7..5831119 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1014,6 +1014,7 @@
 	char *print_name = "3c59x";
 	struct pci_dev *pdev = NULL;
 	struct eisa_device *edev = NULL;
+	DECLARE_MAC_BUF(mac);
 
 	if (!printed_version) {
 		printk (version);
@@ -1205,10 +1206,8 @@
 	for (i = 0; i < 3; i++)
 		((u16 *)dev->dev_addr)[i] = htons(eeprom[i + 10]);
 	memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
-	if (print_info) {
-		for (i = 0; i < 6; i++)
-			printk("%c%2.2x", i ? ':' : ' ', dev->dev_addr[i]);
-	}
+	if (print_info)
+		printk(" %s", print_mac(mac, dev->dev_addr));
 	/* Unfortunately an all zero eeprom passes the checksum and this
 	   gets found in the wild in failure cases. Crypto is hard 8) */
 	if (!is_valid_ether_addr(dev->dev_addr)) {
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 58fad1b..7edd50c 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1823,6 +1823,7 @@
 	void __iomem *regs;
 	resource_size_t pciaddr;
 	unsigned int addr_len, i, pci_using_dac;
+	DECLARE_MAC_BUF(mac);
 
 #ifndef MODULE
 	static int version_printed;
@@ -1964,13 +1965,10 @@
 		goto err_out_iomap;
 
 	printk (KERN_INFO "%s: RTL-8139C+ at 0x%lx, "
-		"%02x:%02x:%02x:%02x:%02x:%02x, "
-		"IRQ %d\n",
+		"%s, IRQ %d\n",
 		dev->name,
 		dev->base_addr,
-		dev->dev_addr[0], dev->dev_addr[1],
-		dev->dev_addr[2], dev->dev_addr[3],
-		dev->dev_addr[4], dev->dev_addr[5],
+		print_mac(mac, dev->dev_addr),
 		dev->irq);
 
 	pci_set_drvdata(pdev, dev);
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 28c1aaf..d3088a7 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -926,6 +926,7 @@
 	int i, addr_len, option;
 	void __iomem *ioaddr;
 	static int board_idx = -1;
+	DECLARE_MAC_BUF(mac);
 
 	assert (pdev != NULL);
 	assert (ent != NULL);
@@ -1017,14 +1018,11 @@
 	pci_set_drvdata (pdev, dev);
 
 	printk (KERN_INFO "%s: %s at 0x%lx, "
-		"%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
-		"IRQ %d\n",
+		"%s, IRQ %d\n",
 		dev->name,
 		board_info[ent->driver_data].name,
 		dev->base_addr,
-		dev->dev_addr[0], dev->dev_addr[1],
-		dev->dev_addr[2], dev->dev_addr[3],
-		dev->dev_addr[4], dev->dev_addr[5],
+		print_mac(mac, dev->dev_addr),
 		dev->irq);
 
 	printk (KERN_DEBUG "%s:  Identified 8139 chip type '%s'\n",
diff --git a/drivers/net/82596.c b/drivers/net/82596.c
index 6b03416..bb30d5b 100644
--- a/drivers/net/82596.c
+++ b/drivers/net/82596.c
@@ -1116,15 +1116,12 @@
 
 static void print_eth(unsigned char *add, char *str)
 {
-	int i;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
 
-	printk(KERN_DEBUG "i596 0x%p, ", add);
-	for (i = 0; i < 6; i++)
-		printk(" %02X", add[i + 6]);
-	printk(" -->");
-	for (i = 0; i < 6; i++)
-		printk(" %02X", add[i]);
-	printk(" %02X%02X, %s\n", add[12], add[13], str);
+	printk(KERN_DEBUG "i596 0x%p, %s --> %s %02X%02X, %s\n",
+	       add, print_mac(mac, add + 6), print_mac(mac2, add),
+	       add[12], add[13], str);
 }
 
 static int io = 0x300;
@@ -1539,6 +1536,7 @@
 		struct dev_mc_list *dmi;
 		unsigned char *cp;
 		struct mc_cmd *cmd;
+		DECLARE_MAC_BUF(mac);
 
 		if (wait_cfg(dev, &lp->mc_cmd.cmd, 1000, "multicast list change request timed out"))
 			return;
@@ -1549,8 +1547,8 @@
 		for (dmi = dev->mc_list; cnt && dmi != NULL; dmi = dmi->next, cnt--, cp += 6) {
 			memcpy(cp, dmi->dmi_addr, 6);
 			if (i596_debug > 1)
-				DEB(DEB_MULTI,printk(KERN_INFO "%s: Adding address %02x:%02x:%02x:%02x:%02x:%02x\n",
-						dev->name, cp[0],cp[1],cp[2],cp[3],cp[4],cp[5]));
+				DEB(DEB_MULTI,printk(KERN_INFO "%s: Adding address %s\n",
+						dev->name, print_mac(mac, cp)));
 		}
 		i596_add_cmd(dev, &cmd->cmd);
 	}
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c
index 77773ce..18f7f81 100644
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -716,6 +716,7 @@
 	unsigned long board, base_addr, mem_start;
 	struct resource *r1, *r2;
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	board = z->resource.start;
 	base_addr = board+A2065_LANCE;
@@ -792,9 +793,8 @@
 	zorro_set_drvdata(z, dev);
 
 	printk(KERN_INFO "%s: A2065 at 0x%08lx, Ethernet Address "
-	       "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, board,
-	       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-	       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	       "%s\n", dev->name, board,
+	       print_mac(mac, dev->dev_addr));
 
 	return 0;
 }
diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c
index 65b2de5..5136d949 100644
--- a/drivers/net/ac3200.c
+++ b/drivers/net/ac3200.c
@@ -146,6 +146,7 @@
 static int __init ac_probe1(int ioaddr, struct net_device *dev)
 {
 	int i, retval;
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr, AC_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -167,10 +168,11 @@
 		   inb(ioaddr + AC_ID_PORT + 2), inb(ioaddr + AC_ID_PORT + 3));
 #endif
 
-	printk("AC3200 in EISA slot %d, node", ioaddr/0x1000);
-	for(i = 0; i < 6; i++)
-		printk(" %02x", dev->dev_addr[i] = inb(ioaddr + AC_SA_PROM + i));
+	for (i = 0; i < 6; i++)
+		dev->dev_addr[i] = inb(ioaddr + AC_SA_PROM + i);
 
+	printk(KERN_DEBUG "AC3200 in EISA slot %d, node %s",
+	       ioaddr/0x1000, print_mac(mac, dev->dev_addr));
 #if 0
 	/* Check the vendor ID/prefix. Redundant after checking the EISA ID */
 	if (inb(ioaddr + AC_SA_PROM + 0) != AC_ADDR0
diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c
index ca00f41..2c2ed6d 100644
--- a/drivers/net/acenic.c
+++ b/drivers/net/acenic.c
@@ -893,6 +893,7 @@
 	int board_idx, ecode = 0;
 	short i;
 	unsigned char cache_size;
+	DECLARE_MAC_BUF(mac);
 
 	ap = netdev_priv(dev);
 	regs = ap->regs;
@@ -1012,10 +1013,6 @@
 	writel(mac1, &regs->MacAddrHi);
 	writel(mac2, &regs->MacAddrLo);
 
-	printk("MAC: %02x:%02x:%02x:%02x:%02x:%02x\n",
-	       (mac1 >> 8) & 0xff, mac1 & 0xff, (mac2 >> 24) &0xff,
-	       (mac2 >> 16) & 0xff, (mac2 >> 8) & 0xff, mac2 & 0xff);
-
 	dev->dev_addr[0] = (mac1 >> 8) & 0xff;
 	dev->dev_addr[1] = mac1 & 0xff;
 	dev->dev_addr[2] = (mac2 >> 24) & 0xff;
@@ -1023,6 +1020,8 @@
 	dev->dev_addr[4] = (mac2 >> 8) & 0xff;
 	dev->dev_addr[5] = mac2 & 0xff;
 
+	printk("MAC: %s\n", print_mac(mac, dev->dev_addr));
+
 	/*
 	 * Looks like this is necessary to deal with on all architectures,
 	 * even this %$#%$# N440BX Intel based thing doesn't get it right.
diff --git a/drivers/net/amd8111e.c b/drivers/net/amd8111e.c
index afb60a5..73f40a4 100644
--- a/drivers/net/amd8111e.c
+++ b/drivers/net/amd8111e.c
@@ -1934,6 +1934,7 @@
 	unsigned long reg_addr,reg_len;
 	struct amd8111e_priv* lp;
 	struct net_device* dev;
+	DECLARE_MAC_BUF(mac);
 
 	err = pci_enable_device(pdev);
 	if(err){
@@ -2006,7 +2007,7 @@
 
 	/* Initializing MAC address */
 	for(i = 0; i < ETH_ADDR_LEN; i++)
-			dev->dev_addr[i] =readb(lp->mmio + PADR + i);
+		dev->dev_addr[i] = readb(lp->mmio + PADR + i);
 
 	/* Setting user defined parametrs */
 	lp->ext_phy_option = speed_duplex[card_idx];
@@ -2075,11 +2076,10 @@
 	/*  display driver and device information */
 
     	chip_version = (readl(lp->mmio + CHIPID) & 0xf0000000)>>28;
-    	printk(KERN_INFO "%s: AMD-8111e Driver Version: %s\n",								 dev->name,MODULE_VERS);
-    	printk(KERN_INFO "%s: [ Rev %x ] PCI 10/100BaseT Ethernet ",							dev->name, chip_version);
-    	for (i = 0; i < 6; i++)
-		printk("%2.2x%c",dev->dev_addr[i],i == 5 ? ' ' : ':');
-    	printk( "\n");
+	printk(KERN_INFO "%s: AMD-8111e Driver Version: %s\n",
+	       dev->name,MODULE_VERS);
+	printk(KERN_INFO "%s: [ Rev %x ] PCI 10/100BaseT Ethernet %s\n",
+	       dev->name, chip_version, print_mac(mac, dev->dev_addr));
 	if (lp->ext_phy_id)
 		printk(KERN_INFO "%s: Found MII PHY ID 0x%08x at address 0x%02x\n",
 		       dev->name, lp->ext_phy_id, lp->ext_phy_addr);
diff --git a/drivers/net/apne.c b/drivers/net/apne.c
index b5a974a..c12cbdf 100644
--- a/drivers/net/apne.c
+++ b/drivers/net/apne.c
@@ -204,6 +204,7 @@
     int neX000, ctron;
 #endif
     static unsigned version_printed;
+    DECLARE_MAC_BUF(mac);
 
     if (ei_debug  &&  version_printed++ == 0)
 	printk(version);
@@ -316,12 +317,12 @@
     i = request_irq(dev->irq, apne_interrupt, IRQF_SHARED, DRV_NAME, dev);
     if (i) return i;
 
-    for(i = 0; i < ETHER_ADDR_LEN; i++) {
-	printk(" %2.2x", SA_prom[i]);
+    for(i = 0; i < ETHER_ADDR_LEN; i++)
 	dev->dev_addr[i] = SA_prom[i];
-    }
 
-    printk("\n%s: %s found.\n", dev->name, name);
+    printk(" %s\n", print_mac(mac, dev->dev_addr));
+
+    printk("%s: %s found.\n", dev->name, name);
 
     ei_status.name = name;
     ei_status.tx_start_page = start_page;
diff --git a/drivers/net/ariadne.c b/drivers/net/ariadne.c
index 2c020a3..3fa3bcc 100644
--- a/drivers/net/ariadne.c
+++ b/drivers/net/ariadne.c
@@ -166,6 +166,7 @@
     struct net_device *dev;
     struct ariadne_private *priv;
     int err;
+    DECLARE_MAC_BUF(mac);
 
     r1 = request_mem_region(base_addr, sizeof(struct Am79C960), "Am79C960");
     if (!r1)
@@ -216,9 +217,8 @@
     zorro_set_drvdata(z, dev);
 
     printk(KERN_INFO "%s: Ariadne at 0x%08lx, Ethernet Address "
-	   "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, board,
-	   dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-	   dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	   "%s\n", dev->name, board,
+	   print_mac(mac, dev->dev_addr));
 
     return 0;
 }
@@ -614,21 +614,17 @@
     /* Fill in a Tx ring entry */
 
 #if 0
-    printk(KERN_DEBUG "TX pkt type 0x%04x from ", ((u_short *)skb->data)[6]);
-    {
-	int i;
-	u_char *ptr = &((u_char *)skb->data)[6];
-	for (i = 0; i < 6; i++)
-	    printk("%02x", ptr[i]);
-    }
-    printk(" to ");
-    {
-	int i;
-	u_char *ptr = (u_char *)skb->data;
-	for (i = 0; i < 6; i++)
-	    printk("%02x", ptr[i]);
-    }
-    printk(" data 0x%08x len %d\n", (int)skb->data, (int)skb->len);
+{
+    DECLARE_MAC_BUF(mac);
+    DECLARE_MAC_BUF(mac2);
+
+    printk(KERN_DEBUG "TX pkt type 0x%04x from %s to %s "
+	   " data 0x%08x len %d\n",
+	   ((u_short *)skb->data)[6],
+	   print_mac(mac, ((const u8 *)skb->data)+6),
+	   print_mac(mac, (const u8 *)skb->data),
+	   (int)skb->data, (int)skb->len);
+}
 #endif
 
     local_irq_save(flags);
@@ -748,22 +744,22 @@
 	    skb_copy_to_linear_data(skb, (char *)priv->rx_buff[entry], pkt_len);
 	    skb->protocol=eth_type_trans(skb,dev);
 #if 0
+{
+	    DECLARE_MAC_BUF(mac);
+
 	    printk(KERN_DEBUG "RX pkt type 0x%04x from ",
 		   ((u_short *)skb->data)[6]);
 	    {
-		int i;
 		u_char *ptr = &((u_char *)skb->data)[6];
-		for (i = 0; i < 6; i++)
-		    printk("%02x", ptr[i]);
+		printk("%s", print_mac(mac, ptr));
 	    }
 	    printk(" to ");
 	    {
-		int i;
 		u_char *ptr = (u_char *)skb->data;
-		for (i = 0; i < 6; i++)
-		    printk("%02x", ptr[i]);
+		printk("%s", print_mac(mac, ptr));
 	    }
 	    printk(" data 0x%08x len %d\n", (int)skb->data, (int)skb->len);
+}
 #endif
 
 	    netif_rx(skb);
diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c
index 77964556..ba6bd03 100644
--- a/drivers/net/arm/am79c961a.c
+++ b/drivers/net/arm/am79c961a.c
@@ -741,12 +741,10 @@
 
 	ret = register_netdev(dev);
 	if (ret == 0) {
-		printk(KERN_INFO "%s: ether address ", dev->name);
+		DECLARE_MAC_BUF(mac);
 
-		/* Retrive and print the ethernet address. */
-		for (i = 0; i < 6; i++)
-			printk (i == 5 ? "%02x\n" : "%02x:", dev->dev_addr[i]);
-
+		printk(KERN_INFO "%s: ether address %s\n",
+		       dev->name, print_mac(mac, dev->dev_addr));
 		return 0;
 	}
 
diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c
index 619810a..25b114a 100644
--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -485,6 +485,7 @@
 static int set_mac_address(struct net_device *dev, void* addr)
 {
 	struct sockaddr *address = addr;
+	DECLARE_MAC_BUF(mac);
 
 	if (!is_valid_ether_addr(address->sa_data))
 		return -EADDRNOTAVAIL;
@@ -492,9 +493,8 @@
 	memcpy(dev->dev_addr, address->sa_data, dev->addr_len);
 	update_mac_address(dev);
 
-	printk("%s: Setting MAC address to %02x:%02x:%02x:%02x:%02x:%02x\n", dev->name,
-		dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-		dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	printk("%s: Setting MAC address to %s\n", dev->name,
+	       print_mac(mac, dev->dev_addr));
 
 	return 0;
 }
@@ -979,6 +979,7 @@
 	struct at91_private *lp;
 	unsigned int val;
 	int res;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(sizeof(struct at91_private));
 	if (!dev)
@@ -1081,12 +1082,11 @@
 	}
 
 	/* Display ethernet banner */
-	printk(KERN_INFO "%s: AT91 ethernet at 0x%08x int=%d %s%s (%02x:%02x:%02x:%02x:%02x:%02x)\n",
-		dev->name, (uint) dev->base_addr, dev->irq,
-		at91_emac_read(AT91_EMAC_CFG) & AT91_EMAC_SPD ? "100-" : "10-",
-		at91_emac_read(AT91_EMAC_CFG) & AT91_EMAC_FD ? "FullDuplex" : "HalfDuplex",
-		dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-		dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	printk(KERN_INFO "%s: AT91 ethernet at 0x%08x int=%d %s%s (%s)\n",
+	       dev->name, (uint) dev->base_addr, dev->irq,
+	       at91_emac_read(AT91_EMAC_CFG) & AT91_EMAC_SPD ? "100-" : "10-",
+	       at91_emac_read(AT91_EMAC_CFG) & AT91_EMAC_FD ? "FullDuplex" : "HalfDuplex",
+	       print_mac(mac, dev->dev_addr));
 	if ((phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID))
 		printk(KERN_INFO "%s: Davicom 9161 PHY %s\n", dev->name, (lp->phy_media == PORT_FIBRE) ? "(Fiber)" : "(Copper)");
 	else if (phy_type == MII_LXT971A_ID)
diff --git a/drivers/net/arm/ether1.c b/drivers/net/arm/ether1.c
index 6ec8a58..3bb9e29 100644
--- a/drivers/net/arm/ether1.c
+++ b/drivers/net/arm/ether1.c
@@ -996,6 +996,7 @@
 {
 	struct net_device *dev;
 	int i, ret = 0;
+	DECLARE_MAC_BUF(mac);
 
 	ether1_banner();
 
@@ -1043,12 +1044,9 @@
 	if (ret)
 		goto free;
 
-	printk(KERN_INFO "%s: ether1 in slot %d, ",
-		dev->name, ec->slot_no);
+	printk(KERN_INFO "%s: ether1 in slot %d, %s\n",
+		dev->name, ec->slot_no, print_mac(mac, dev->dev_addr));
     
-	for (i = 0; i < 6; i++)
-		printk ("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
-
 	ecard_set_drvdata(ec, dev);
 	return 0;
 
diff --git a/drivers/net/arm/ether3.c b/drivers/net/arm/ether3.c
index 4a91474..67e96ae 100644
--- a/drivers/net/arm/ether3.c
+++ b/drivers/net/arm/ether3.c
@@ -775,7 +775,8 @@
 {
 	const struct ether3_data *data = id->data;
 	struct net_device *dev;
-	int i, bus_type, ret;
+	int bus_type, ret;
+	DECLARE_MAC_BUF(mac);
 
 	ether3_banner();
 
@@ -858,9 +859,8 @@
 	if (ret)
 		goto free;
 
-	printk("%s: %s in slot %d, ", dev->name, data->name, ec->slot_no);
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
+	printk("%s: %s in slot %d, %s\n",
+	       dev->name, data->name, ec->slot_no, print_mac(mac, dev->dev_addr));
 
 	ecard_set_drvdata(ec, dev);
 	return 0;
diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c
index 5d093b3..00081d2 100644
--- a/drivers/net/arm/etherh.c
+++ b/drivers/net/arm/etherh.c
@@ -648,6 +648,7 @@
 	struct net_device *dev;
 	struct etherh_priv *eh;
 	int i, ret;
+	DECLARE_MAC_BUF(mac);
 
 	etherh_banner();
 
@@ -745,11 +746,8 @@
 	if (ret)
 		goto free;
 
-	printk(KERN_INFO "%s: %s in slot %d, ",
-		dev->name, data->name, ec->slot_no);
-
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
+	printk(KERN_INFO "%s: %s in slot %d, %s\n",
+		dev->name, data->name, ec->slot_no, print_mac(mac, dev->dev_addr));
 
 	ecard_set_drvdata(ec, dev);
 
diff --git a/drivers/net/at1700.c b/drivers/net/at1700.c
index a124fdb..b032c1b 100644
--- a/drivers/net/at1700.c
+++ b/drivers/net/at1700.c
@@ -265,6 +265,7 @@
 	unsigned int i, irq, is_fmv18x = 0, is_at1700 = 0;
 	int slot, ret = -ENODEV;
 	struct net_local *lp = netdev_priv(dev);
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr, AT1700_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -388,16 +389,15 @@
 	if (is_at1700) {
 		for(i = 0; i < 3; i++) {
 			unsigned short eeprom_val = read_eeprom(ioaddr, 4+i);
-			printk("%04x", eeprom_val);
 			((unsigned short *)dev->dev_addr)[i] = ntohs(eeprom_val);
 		}
 	} else {
 		for(i = 0; i < 6; i++) {
 			unsigned char val = inb(ioaddr + SAPROM + i);
-			printk("%02x", val);
 			dev->dev_addr[i] = val;
 		}
 	}
+	printk("%s", print_mac(mac, dev->dev_addr));
 
 	/* The EEPROM word 12 bit 0x0400 means use regular 100 ohm 10baseT signals,
 	   rather than 150 ohm shielded twisted pair compensation.
diff --git a/drivers/net/atarilance.c b/drivers/net/atarilance.c
index 8bf548e..ebf1a3a 100644
--- a/drivers/net/atarilance.c
+++ b/drivers/net/atarilance.c
@@ -467,6 +467,7 @@
 	int 					i;
 	static int 				did_version;
 	unsigned short			save1, save2;
+	DECLARE_MAC_BUF(mac);
 
 	PROBE_PRINT(( "Probing for Lance card at mem %#lx io %#lx\n",
 				  (long)memaddr, (long)ioaddr ));
@@ -595,8 +596,7 @@
 		i = IO->mem;
 		break;
 	}
-	for( i = 0; i < 6; ++i )
-		printk( "%02x%s", dev->dev_addr[i], (i < 5) ? ":" : "\n" );
+	printk("%s\n", print_mac(mac, dev->dev_addr));
 	if (lp->cardtype == OLD_RIEBL) {
 		printk( "%s: Warning: This is a default ethernet address!\n",
 				dev->name );
@@ -779,6 +779,8 @@
 	int entry, len;
 	struct lance_tx_head *head;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
 
 	DPRINTK( 2, ( "%s: lance_start_xmit() called, csr0 %4.4x.\n",
 				  dev->name, DREG ));
@@ -801,17 +803,13 @@
 
 	/* Fill in a Tx ring entry */
 	if (lance_debug >= 3) {
-		u_char *p;
-		int i;
-		printk( "%s: TX pkt type 0x%04x from ", dev->name,
-				((u_short *)skb->data)[6]);
-		for( p = &((u_char *)skb->data)[6], i = 0; i < 6; i++ )
-			printk("%02x%s", *p++, i != 5 ? ":" : "" );
-		printk(" to ");
-		for( p = (u_char *)skb->data, i = 0; i < 6; i++ )
-			printk("%02x%s", *p++, i != 5 ? ":" : "" );
-		printk(" data at 0x%08x len %d\n", (int)skb->data,
-			   (int)skb->len );
+		printk( "%s: TX pkt type 0x%04x from "
+				"%s to %s"
+				" data at 0x%08x len %d\n",
+				dev->name, ((u_short *)skb->data)[6],
+				print_mac(mac, &skb->data[6]),
+				print_mac(mac2, skb->data),
+				(int)skb->data, (int)skb->len );
 	}
 
 	/* We're not prepared for the int until the last flags are set/reset. And
@@ -1021,19 +1019,18 @@
 				}
 
 				if (lance_debug >= 3) {
-					u_char *data = PKTBUF_ADDR(head), *p;
-					printk( "%s: RX pkt type 0x%04x from ", dev->name,
-							((u_short *)data)[6]);
-					for( p = &data[6], i = 0; i < 6; i++ )
-						printk("%02x%s", *p++, i != 5 ? ":" : "" );
-					printk(" to ");
-					for( p = data, i = 0; i < 6; i++ )
-						printk("%02x%s", *p++, i != 5 ? ":" : "" );
-					printk(" data %02x %02x %02x %02x %02x %02x %02x %02x "
+					u_char *data = PKTBUF_ADDR(head);
+					DECLARE_MAC_BUF(mac);
+					DECLARE_MAC_BUF(mac2);
+
+					printk(KERN_DEBUG "%s: RX pkt type 0x%04x from %s to %s ",
+						   "data %02x %02x %02x %02x %02x %02x %02x %02x "
 						   "len %d\n",
+						   dev->name, ((u_short *)data)[6],
+						   print_mac(mac, &data[6]), print_mac(mac2, data),
 						   data[15], data[16], data[17], data[18],
 						   data[19], data[20], data[21], data[22],
-						   pkt_len );
+						   pkt_len);
 				}
 
 				skb_reserve( skb, 2 );	/* 16 byte align */
diff --git a/drivers/net/atp.c b/drivers/net/atp.c
index cec2e367..62f09e5 100644
--- a/drivers/net/atp.c
+++ b/drivers/net/atp.c
@@ -248,6 +248,7 @@
 	struct net_local *lp;
 	int saved_ctrl_reg, status, i;
 	int res;
+	DECLARE_MAC_BUF(mac);
 
 	outb(0xff, ioaddr + PAR_DATA);
 	/* Save the original value of the Control register, in case we guessed
@@ -322,10 +323,9 @@
 		printk(KERN_INFO "%s", version);
 #endif
 
-	printk(KERN_NOTICE "%s: Pocket adapter found at %#3lx, IRQ %d, SAPROM "
-		   "%02X:%02X:%02X:%02X:%02X:%02X.\n", dev->name, dev->base_addr,
-		   dev->irq, dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-		   dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	printk(KERN_NOTICE "%s: Pocket adapter found at %#3lx, IRQ %d, "
+	       "SAPROM %s.\n",
+	       dev->name, dev->base_addr, dev->irq, print_mac(mac, dev->dev_addr));
 
 	/* Reset the ethernet hardware and activate the printer pass-through. */
 	write_reg_high(ioaddr, CMR1, CMR1h_RESET | CMR1h_MUX);
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 6d19370..40842a6 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -2100,7 +2100,8 @@
 	unsigned long b44reg_base, b44reg_len;
 	struct net_device *dev;
 	struct b44 *bp;
-	int err, i;
+	int err;
+	DECLARE_MAC_BUF(mac);
 
 	if (b44_version_printed++ == 0)
 		printk(KERN_INFO "%s", version);
@@ -2229,10 +2230,8 @@
 	 */
 	b44_chip_reset(bp);
 
-	printk(KERN_INFO "%s: Broadcom 4400 10/100BaseT Ethernet ", dev->name);
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i],
-		       i == 5 ? '\n' : ':');
+	printk(KERN_INFO "%s: Broadcom 4400 10/100BaseT Ethernet %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	return 0;
 
diff --git a/drivers/net/bmac.c b/drivers/net/bmac.c
index 2761441..a42bd19 100644
--- a/drivers/net/bmac.c
+++ b/drivers/net/bmac.c
@@ -1258,6 +1258,7 @@
 	unsigned char addr[6];
 	struct net_device *dev;
 	int is_bmac_plus = ((int)match->data) != 0;
+	DECLARE_MAC_BUF(mac);
 
 	if (macio_resource_count(mdev) != 3 || macio_irq_count(mdev) != 3) {
 		printk(KERN_ERR "BMAC: can't use, need 3 addrs and 3 intrs\n");
@@ -1367,9 +1368,8 @@
 		goto err_out_irq2;
 	}
 
-	printk(KERN_INFO "%s: BMAC%s at", dev->name, (is_bmac_plus? "+": ""));
-	for (j = 0; j < 6; ++j)
-		printk("%c%.2x", (j? ':': ' '), dev->dev_addr[j]);
+	printk(KERN_INFO "%s: BMAC%s at %s",
+	       dev->name, (is_bmac_plus ? "+" : ""), print_mac(mac, dev->dev_addr));
 	XXDEBUG((", base_addr=%#0lx", dev->base_addr));
 	printk("\n");
 
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 5ee805b..ee9aed3 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6821,8 +6821,9 @@
 	static int version_printed = 0;
 	struct net_device *dev = NULL;
 	struct bnx2 *bp;
-	int rc, i;
+	int rc;
 	char str[40];
+	DECLARE_MAC_BUF(mac);
 
 	if (version_printed++ == 0)
 		printk(KERN_INFO "%s", version);
@@ -6890,19 +6891,14 @@
 	}
 
 	printk(KERN_INFO "%s: %s (%c%d) %s found at mem %lx, "
-		"IRQ %d, ",
+		"IRQ %d, node addr %s\n",
 		dev->name,
 		bp->name,
 		((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
 		((CHIP_ID(bp) & 0x0ff0) >> 4),
 		bnx2_bus_string(bp, str),
 		dev->base_addr,
-		bp->pdev->irq);
-
-	printk("node addr ");
-	for (i = 0; i < 6; i++)
-		printk("%2.2x", dev->dev_addr[i]);
-	printk("\n");
+		bp->pdev->irq, print_mac(mac, dev->dev_addr));
 
 	return 0;
 }
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ea58144..8f77db2 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1604,6 +1604,7 @@
 	struct slave *slave, *oldcurrent;
 	struct sockaddr addr;
 	int mac_addr_differ;
+	DECLARE_MAC_BUF(mac);
 
 	/* slave is not a slave or master is not master of this slave */
 	if (!(slave_dev->flags & IFF_SLAVE) ||
@@ -1631,19 +1632,13 @@
 				 ETH_ALEN);
 	if (!mac_addr_differ && (bond->slave_cnt > 1)) {
 		printk(KERN_WARNING DRV_NAME
-		       ": %s: Warning: the permanent HWaddr of %s "
-		       "- %02X:%02X:%02X:%02X:%02X:%02X - is "
-		       "still in use by %s. Set the HWaddr of "
-		       "%s to a different address to avoid "
-		       "conflicts.\n",
+		       ": %s: Warning: the permanent HWaddr of %s - "
+		       "%s - is still in use by %s. "
+		       "Set the HWaddr of %s to a different address "
+		       "to avoid conflicts.\n",
 		       bond_dev->name,
 		       slave_dev->name,
-		       slave->perm_hwaddr[0],
-		       slave->perm_hwaddr[1],
-		       slave->perm_hwaddr[2],
-		       slave->perm_hwaddr[3],
-		       slave->perm_hwaddr[4],
-		       slave->perm_hwaddr[5],
+		       print_mac(mac, slave->perm_hwaddr),
 		       bond_dev->name,
 		       slave_dev->name);
 	}
@@ -3006,6 +3001,7 @@
 
 	if (bond->params.mode == BOND_MODE_8023AD) {
 		struct ad_info ad_info;
+		DECLARE_MAC_BUF(mac);
 
 		seq_puts(seq, "\n802.3ad info\n");
 		seq_printf(seq, "LACP rate: %s\n",
@@ -3025,13 +3021,8 @@
 				   ad_info.actor_key);
 			seq_printf(seq, "\tPartner Key: %d\n",
 				   ad_info.partner_key);
-			seq_printf(seq, "\tPartner Mac Address: %02x:%02x:%02x:%02x:%02x:%02x\n",
-				   ad_info.partner_system[0],
-				   ad_info.partner_system[1],
-				   ad_info.partner_system[2],
-				   ad_info.partner_system[3],
-				   ad_info.partner_system[4],
-				   ad_info.partner_system[5]);
+			seq_printf(seq, "\tPartner Mac Address: %s\n",
+				   print_mac(mac, ad_info.partner_system));
 		}
 	}
 }
@@ -3039,6 +3030,7 @@
 static void bond_info_show_slave(struct seq_file *seq, const struct slave *slave)
 {
 	struct bonding *bond = seq->private;
+	DECLARE_MAC_BUF(mac);
 
 	seq_printf(seq, "\nSlave Interface: %s\n", slave->dev->name);
 	seq_printf(seq, "MII Status: %s\n",
@@ -3047,10 +3039,8 @@
 		   slave->link_failure_count);
 
 	seq_printf(seq,
-		   "Permanent HW addr: %02x:%02x:%02x:%02x:%02x:%02x\n",
-		   slave->perm_hwaddr[0], slave->perm_hwaddr[1],
-		   slave->perm_hwaddr[2], slave->perm_hwaddr[3],
-		   slave->perm_hwaddr[4], slave->perm_hwaddr[5]);
+		   "Permanent HW addr: %s\n",
+		   print_mac(mac, slave->perm_hwaddr));
 
 	if (bond->params.mode == BOND_MODE_8023AD) {
 		const struct aggregator *agg
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index a771853..f109276 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1361,17 +1361,14 @@
 {
 	int count = 0;
 	struct bonding *bond = to_bond(d);
+	DECLARE_MAC_BUF(mac);
 
 	if (bond->params.mode == BOND_MODE_8023AD) {
 		struct ad_info ad_info;
 		if (!bond_3ad_get_active_agg_info(bond, &ad_info)) {
-			count = sprintf(buf,"%02x:%02x:%02x:%02x:%02x:%02x\n",
-				       ad_info.partner_system[0],
-				       ad_info.partner_system[1],
-				       ad_info.partner_system[2],
-				       ad_info.partner_system[3],
-				       ad_info.partner_system[4],
-				       ad_info.partner_system[5]) + 1;
+			count = sprintf(buf,"%s\n",
+					print_mac(mac, ad_info.partner_system))
+				+ 1;
 		}
 	}
 	else
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index f44f3d2..adc2e4d 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -4877,6 +4877,7 @@
 	int i, err, pci_using_dac;
 	u16 pci_cmd;
 	u8 orig_cacheline_size = 0, cas_cacheline_size = 0;
+	DECLARE_MAC_BUF(mac);
 
 	if (cas_version_printed++ == 0)
 		printk(KERN_INFO "%s", version);
@@ -5084,16 +5085,12 @@
 
 	i = readl(cp->regs + REG_BIM_CFG);
 	printk(KERN_INFO "%s: Sun Cassini%s (%sbit/%sMHz PCI/%s) "
-	       "Ethernet[%d] ",  dev->name,
+	       "Ethernet[%d] %s\n",  dev->name,
 	       (cp->cas_flags & CAS_FLAG_REG_PLUS) ? "+" : "",
 	       (i & BIM_CFG_32BIT) ? "32" : "64",
 	       (i & BIM_CFG_66MHZ) ? "66" : "33",
-	       (cp->phy_type == CAS_PHY_SERDES) ? "Fi" : "Cu", pdev->irq);
-
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i],
-		       i == 5 ? ' ' : ':');
-	printk("\n");
+	       (cp->phy_type == CAS_PHY_SERDES) ? "Fi" : "Cu", pdev->irq,
+	       print_mac(mac, dev->dev_addr));
 
 	pci_set_drvdata(pdev, dev);
 	cp->hw_running = 1;
diff --git a/drivers/net/cris/eth_v10.c b/drivers/net/cris/eth_v10.c
index 5bdf5ca..314b2f6 100644
--- a/drivers/net/cris/eth_v10.c
+++ b/drivers/net/cris/eth_v10.c
@@ -618,12 +618,8 @@
 
 	/* show it in the log as well */
 
-	printk(KERN_INFO "%s: changed MAC to ", dev->name);
-
-	for (i = 0; i < 5; i++)
-		printk("%02X:", dev->dev_addr[i]);
-
-	printk("%02X\n", dev->dev_addr[i]);
+	printk(KERN_INFO "%s: changed MAC to %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	spin_unlock(&np->lock);
 
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 4cf82cf..57175097 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -516,6 +516,7 @@
 	unsigned rev_type = 0;
 	int eeprom_buff[CHKSUM_LEN];
 	int retval;
+	DECLARE_MAC_BUF(mac);
 
 	/* Initialize the device structure. */
 	if (!modular) {
@@ -840,11 +841,7 @@
 	}
 
 	/* print the ethernet address. */
-	printk(", MAC");
-	for (i = 0; i < ETH_ALEN; i++)
-	{
-		printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
-	}
+	printk(", MAC %s", print_mac(mac, dev->dev_addr));
 
 	dev->open		= net_open;
 	dev->stop		= net_close;
@@ -1806,17 +1803,15 @@
 	int i;
 	struct sockaddr *addr = p;
 
-
 	if (netif_running(dev))
 		return -EBUSY;
 
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
 
 	if (net_debug) {
-		printk("%s: Setting MAC address to ", dev->name);
-		for (i = 0; i < dev->addr_len; i++)
-			printk(" %2.2x", dev->dev_addr[i]);
-		printk(".\n");
+		DECLARE_MAC_BUF(mac);
+		printk("%s: Setting MAC address to %s.\n",
+		       dev->name, print_mac(mac, dev->dev_addr));
 	}
 	/* set the Ethernet address */
 	for (i=0; i < ETH_ALEN/2; i++)
diff --git a/drivers/net/de600.c b/drivers/net/de600.c
index 421c2ca..cb849b09 100644
--- a/drivers/net/de600.c
+++ b/drivers/net/de600.c
@@ -384,6 +384,7 @@
 	int	i;
 	struct net_device *dev;
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(0);
 	if (!dev)
@@ -438,10 +439,7 @@
 		goto out1;
 	}
 
-	printk(", Ethernet Address: %02X", dev->dev_addr[0]);
-	for (i = 1; i < ETH_ALEN; i++)
-		printk(":%02X",dev->dev_addr[i]);
-	printk("\n");
+	printk(", Ethernet Address: %s\n", print_mac(mac, dev->dev_addr));
 
 	dev->open = de600_open;
 	dev->stop = de600_close;
diff --git a/drivers/net/de620.c b/drivers/net/de620.c
index 4b93902..3f5190c 100644
--- a/drivers/net/de620.c
+++ b/drivers/net/de620.c
@@ -807,6 +807,7 @@
 	struct net_device *dev;
 	int err = -ENOMEM;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(0);
 	if (!dev)
@@ -853,13 +854,14 @@
 	}
 
 	/* else, got it! */
-	printk(", Ethernet Address: %2.2X",
-		dev->dev_addr[0] = nic_data.NodeID[0]);
+	dev->dev_addr[0] = nic_data.NodeID[0];
 	for (i = 1; i < ETH_ALEN; i++) {
-		printk(":%2.2X", dev->dev_addr[i] = nic_data.NodeID[i]);
+		dev->dev_addr[i] = nic_data.NodeID[i];
 		dev->broadcast[i] = 0xff;
 	}
 
+	printk(", Ethernet Address: %s", print_mac(mac, dev->dev_addr));
+
 	printk(" (%dk RAM,",
 		(nic_data.RAM_Size) ? (nic_data.RAM_Size >> 2) : 64);
 
diff --git a/drivers/net/declance.c b/drivers/net/declance.c
index 7e7ac33..00e0194 100644
--- a/drivers/net/declance.c
+++ b/drivers/net/declance.c
@@ -1027,6 +1027,7 @@
 	int i, ret;
 	unsigned long esar_base;
 	unsigned char *esar;
+	DECLARE_MAC_BUF(mac);
 
 	if (dec_lance_debug && version_printed++ == 0)
 		printk(version);
@@ -1214,21 +1215,20 @@
 	 */
 	switch (type) {
 	case ASIC_LANCE:
-		printk("%s: IOASIC onboard LANCE, addr = ", name);
+		printk("%s: IOASIC onboard LANCE", name);
 		break;
 	case PMAD_LANCE:
-		printk("%s: PMAD-AA, addr = ", name);
+		printk("%s: PMAD-AA", name);
 		break;
 	case PMAX_LANCE:
-		printk("%s: PMAX onboard LANCE, addr = ", name);
+		printk("%s: PMAX onboard LANCE", name);
 		break;
 	}
-	for (i = 0; i < 6; i++) {
+	for (i = 0; i < 6; i++)
 		dev->dev_addr[i] = esar[i * 4];
-		printk("%2.2x%c", dev->dev_addr[i], i == 5 ? ',' : ':');
-	}
 
-	printk(" irq = %d\n", dev->irq);
+	printk(", addr = %s, irq = %d\n",
+	       print_mac(mac, dev->dev_addr), dev->irq);
 
 	dev->open = &lance_open;
 	dev->stop = &lance_close;
diff --git a/drivers/net/depca.c b/drivers/net/depca.c
index 28fa2bd..ace39ec 100644
--- a/drivers/net/depca.c
+++ b/drivers/net/depca.c
@@ -573,6 +573,7 @@
 	s16 nicsr;
 	u_long ioaddr;
 	u_long mem_start;
+	DECLARE_MAC_BUF(mac);
 
 	/*
 	 * We are now supposed to enter this function with the
@@ -632,14 +633,11 @@
 
 	printk(", h/w address ");
 	status = get_hw_addr(dev);
+	printk("%s", print_mac(mac, dev->dev_addr));
 	if (status != 0) {
 		printk("      which has an Ethernet PROM CRC error.\n");
 		return -ENXIO;
 	}
-	for (i = 0; i < ETH_ALEN - 1; i++) {	/* get the ethernet address */
-		printk("%2.2x:", dev->dev_addr[i]);
-	}
-	printk("%2.2x", dev->dev_addr[i]);
 
 	/* Set up the maximum amount of network RAM(kB) */
 	netRAM = ((lp->adapter != DEPCA) ? 64 : 48);
@@ -1843,6 +1841,7 @@
 	u_long ioaddr = dev->base_addr;
 	struct depca_init *p = &lp->init_block;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	if (depca_debug > 1) {
 		/* Do not copy the shadow init block into shared memory */
@@ -1881,11 +1880,7 @@
 		printk("...0x%8.8x\n", readl(&lp->tx_ring[i].base));
 		printk("Initialisation block at 0x%8.8lx(Phys)\n", lp->mem_start);
 		printk("        mode: 0x%4.4x\n", p->mode);
-		printk("        physical address: ");
-		for (i = 0; i < ETH_ALEN - 1; i++) {
-			printk("%2.2x:", p->phys_addr[i]);
-		}
-		printk("%2.2x\n", p->phys_addr[i]);
+		printk("        physical address: %s\n", print_mac(mac, p->phys_addr));
 		printk("        multicast hash table: ");
 		for (i = 0; i < (HASH_TABLE_LEN >> 3) - 1; i++) {
 			printk("%2.2x:", p->mcast_table[i]);
diff --git a/drivers/net/dgrs.c b/drivers/net/dgrs.c
index a9ef79d..054f2ba 100644
--- a/drivers/net/dgrs.c
+++ b/drivers/net/dgrs.c
@@ -1139,6 +1139,7 @@
 	DGRS_PRIV	*priv = (DGRS_PRIV *) dev->priv;
 	unsigned long	i;
 	int		rc;
+	DECLARE_MAC_BUF(mac);
 
 	printk("%s: Digi RightSwitch io=%lx mem=%lx irq=%d plx=%lx dma=%lx\n",
 		dev->name, dev->base_addr, dev->mem_start, dev->irq,
@@ -1154,11 +1155,9 @@
 	/*
 	 * Get ether address of board
 	 */
-	printk("%s: Ethernet address", dev->name);
 	memcpy(dev->dev_addr, priv->port->ethaddr, 6);
-	for (i = 0; i < 6; ++i)
-		printk("%c%2.2x", i ? ':' : ' ', dev->dev_addr[i]);
-	printk("\n");
+	printk("%s: Ethernet address %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	if (dev->dev_addr[0] & 1)
 	{
@@ -1214,15 +1213,12 @@
 dgrs_initclone(struct net_device *dev)
 {
 	DGRS_PRIV	*priv = (DGRS_PRIV *) dev->priv;
-	int		i;
+	DECLARE_MAC_BUF(mac);
 
-	printk("%s: Digi RightSwitch port %d ",
-		dev->name, priv->chan);
-	for (i = 0; i < 6; ++i)
-		printk("%c%2.2x", i ? ':' : ' ', dev->dev_addr[i]);
-	printk("\n");
+	printk("%s: Digi RightSwitch port %d %s\n",
+		dev->name, priv->chan, print_mac(mac, dev->dev_addr));
 
-	return (0);
+	return 0;
 }
 
 static struct net_device * __init
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index 12486e1..e91b709 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -97,6 +97,7 @@
 	static int version_printed;
 	void *ring_space;
 	dma_addr_t ring_dma;
+	DECLARE_MAC_BUF(mac);
 
 	if (!version_printed++)
 		printk ("%s", version);
@@ -256,10 +257,8 @@
 
 	card_idx++;
 
-	printk (KERN_INFO "%s: %s, %02x:%02x:%02x:%02x:%02x:%02x, IRQ %d\n",
-		dev->name, np->name,
-		dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-		dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5], irq);
+	printk (KERN_INFO "%s: %s, %s, IRQ %d\n",
+		dev->name, np->name, print_mac(mac, dev->dev_addr), irq);
 	if (tx_coalesce > 1)
 		printk(KERN_INFO "tx_coalesce:\t%d packets\n",
 				tx_coalesce);
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index f691ef6..27ac010 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -595,11 +595,10 @@
 	ret = register_netdev(ndev);
 
 	if (ret == 0) {
-		printk("%s: dm9000 at %p,%p IRQ %d MAC: ",
-		       ndev->name,  db->io_addr, db->io_data, ndev->irq);
-		for (i = 0; i < 5; i++)
-			printk("%02x:", ndev->dev_addr[i]);
-		printk("%02x\n", ndev->dev_addr[5]);
+		DECLARE_MAC_BUF(mac);
+		printk("%s: dm9000 at %p,%p IRQ %d MAC: %s\n",
+		       ndev->name,  db->io_addr, db->io_data, ndev->irq,
+		       print_mac(mac, ndev->dev_addr));
 	}
 	return 0;
 
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 9912656..720994b 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2548,6 +2548,7 @@
 	struct net_device *netdev;
 	struct nic *nic;
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	if(!(netdev = alloc_etherdev(sizeof(struct nic)))) {
 		if(((1 << debug) - 1) & NETIF_MSG_PROBE)
@@ -2679,11 +2680,9 @@
 		goto err_out_free;
 	}
 
-	DPRINTK(PROBE, INFO, "addr 0x%llx, irq %d, "
-		"MAC addr %02X:%02X:%02X:%02X:%02X:%02X\n",
-		(unsigned long long)pci_resource_start(pdev, use_io ? 1 : 0), pdev->irq,
-		netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
-		netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
+	DPRINTK(PROBE, INFO, "addr 0x%llx, irq %d, MAC addr %s\n",
+		(unsigned long long)pci_resource_start(pdev, use_io ? 1 : 0),
+		pdev->irq, print_mac(mac, netdev->dev_addr));
 
 	return 0;
 
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 7befb70..ad444c9 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -872,6 +872,8 @@
 	int i, err, pci_using_dac;
 	uint16_t eeprom_data = 0;
 	uint16_t eeprom_apme_mask = E1000_EEPROM_APME;
+	DECLARE_MAC_BUF(mac);
+
 	if ((err = pci_enable_device(pdev)))
 		return err;
 
@@ -1132,8 +1134,7 @@
 		 "32-bit"));
 	}
 
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", netdev->dev_addr[i], i == 5 ? '\n' : ':');
+	printk("%s\n", print_mac(mac, netdev->dev_addr));
 
 	/* reset the hardware with the new settings */
 	e1000_reset(adapter);
diff --git a/drivers/net/eepro.c b/drivers/net/eepro.c
index 54811f6..83bda6c 100644
--- a/drivers/net/eepro.c
+++ b/drivers/net/eepro.c
@@ -690,6 +690,7 @@
 	struct eepro_local *	lp = netdev_priv(dev);
 	int			i;
 	const char *		ifmap[] = {"AUI", "10Base2", "10BaseT"};
+	DECLARE_MAC_BUF(mac);
 
 	i = inb(dev->base_addr + ID_REG);
 	printk(KERN_DEBUG " id: %#x ",i);
@@ -711,10 +712,10 @@
 		case LAN595:
 			printk("%s: Intel 82595-based lan card at %#x,",
 					dev->name, (unsigned)dev->base_addr);
+			break;
 	}
 
-	for (i=0; i < 6; i++)
-		printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
+	printk(" %s", print_mac(mac, dev->dev_addr));
 
 	if (net_debug > 3)
 		printk(KERN_DEBUG ", %dK RCV buffer",
diff --git a/drivers/net/eepro100.c b/drivers/net/eepro100.c
index f8b69ce..1548a80 100644
--- a/drivers/net/eepro100.c
+++ b/drivers/net/eepro100.c
@@ -622,6 +622,7 @@
 	int size;
 	void *tx_ring_space;
 	dma_addr_t tx_ring_dma;
+	DECLARE_MAC_BUF(mac);
 
 	size = TX_RING_SIZE * sizeof(struct TxFD) + sizeof(struct speedo_stats);
 	tx_ring_space = pci_alloc_consistent(pdev, size, &tx_ring_dma);
@@ -705,12 +706,8 @@
 	else
 		product = pci_name(pdev);
 
-	printk(KERN_INFO "%s: %s, ", dev->name, product);
-
-	for (i = 0; i < 5; i++)
-		printk("%2.2X:", dev->dev_addr[i]);
-	printk("%2.2X, ", dev->dev_addr[i]);
-	printk("IRQ %d.\n", pdev->irq);
+	printk(KERN_INFO "%s: %s, %s, IRQ %d.\n", dev->name, product,
+		   print_mac(mac, dev->dev_addr), pdev->irq);
 
 	sp = netdev_priv(dev);
 
diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c
index 5ac56f2..ecdd3fc 100644
--- a/drivers/net/epic100.c
+++ b/drivers/net/epic100.c
@@ -317,6 +317,7 @@
 	int i, ret, option = 0, duplex = 0;
 	void *ring_space;
 	dma_addr_t ring_dma;
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -493,11 +494,9 @@
 	if (ret < 0)
 		goto err_out_unmap_rx;
 
-	printk(KERN_INFO "%s: %s at %#lx, IRQ %d, ",
-		   dev->name, pci_id_tbl[chip_idx].name, ioaddr, dev->irq);
-	for (i = 0; i < 5; i++)
-		printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x.\n", dev->dev_addr[i]);
+	printk(KERN_INFO "%s: %s at %#lx, IRQ %d, %s\n",
+	       dev->name, pci_id_tbl[chip_idx].name, ioaddr, dev->irq,
+	       print_mac(mac, dev->dev_addr));
 
 out:
 	return ret;
diff --git a/drivers/net/es3210.c b/drivers/net/es3210.c
index 238fa8a..deefa51 100644
--- a/drivers/net/es3210.c
+++ b/drivers/net/es3210.c
@@ -179,6 +179,7 @@
 {
 	int i, retval;
 	unsigned long eisa_id;
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr + ES_SA_PROM, ES_IO_EXTENT, "es3210"))
 		return -ENODEV;
@@ -190,7 +191,6 @@
 		inb(ioaddr + ES_CFG4), inb(ioaddr + ES_CFG5), inb(ioaddr + ES_CFG6));
 #endif
 
-
 /*	Check the EISA ID of the card. */
 	eisa_id = inl(ioaddr + ES_ID_PORT);
 	if ((eisa_id != ES_EISA_ID1) && (eisa_id != ES_EISA_ID2)) {
@@ -198,21 +198,21 @@
 		goto out;
 	}
 
+	for (i = 0; i < ETHER_ADDR_LEN ; i++)
+		dev->dev_addr[i] = inb(ioaddr + ES_SA_PROM + i);
+
 /*	Check the Racal vendor ID as well. */
-	if (inb(ioaddr + ES_SA_PROM + 0) != ES_ADDR0
-		|| inb(ioaddr + ES_SA_PROM + 1) != ES_ADDR1
-		|| inb(ioaddr + ES_SA_PROM + 2) != ES_ADDR2 ) {
-		printk("es3210.c: card not found");
-		for(i = 0; i < ETHER_ADDR_LEN; i++)
-			printk(" %02x", inb(ioaddr + ES_SA_PROM + i));
-		printk(" (invalid prefix).\n");
+	if (dev->dev_addr[0] != ES_ADDR0 ||
+	    dev->dev_addr[1] != ES_ADDR1 ||
+	    dev->dev_addr[2] != ES_ADDR2) {
+		printk("es3210.c: card not found %s (invalid_prefix).\n",
+		       print_mac(mac, dev->dev_addr));
 		retval = -ENODEV;
 		goto out;
 	}
 
-	printk("es3210.c: ES3210 rev. %ld at %#x, node", eisa_id>>24, ioaddr);
-	for(i = 0; i < ETHER_ADDR_LEN; i++)
-		printk(" %02x", (dev->dev_addr[i] = inb(ioaddr + ES_SA_PROM + i)));
+	printk("es3210.c: ES3210 rev. %ld at %#x, node %s",
+	       eisa_id>>24, ioaddr, print_mac(mac, dev->dev_addr));
 
 	/* Snarf the interrupt now. */
 	if (dev->irq == 0) {
diff --git a/drivers/net/ewrk3.c b/drivers/net/ewrk3.c
index 142aa22..593a120 100644
--- a/drivers/net/ewrk3.c
+++ b/drivers/net/ewrk3.c
@@ -396,6 +396,7 @@
 	u_long mem_start, shmem_length;
 	u_char cr, cmr, icr, nicsr, lemac, hard_strapped = 0;
 	u_char eeprom_image[EEPROM_MAX], chksum, eisa_cr = 0;
+	DECLARE_MAC_BUF(mac);
 
 	/*
 	** Stop the EWRK3. Enable the DBR ROM. Disable interrupts and remote boot.
@@ -460,10 +461,7 @@
 	if (lemac != LeMAC2)
 		DevicePresent(iobase);	/* need after EWRK3_INIT */
 	status = get_hw_addr(dev, eeprom_image, lemac);
-	for (i = 0; i < ETH_ALEN - 1; i++) {	/* get the ethernet addr. */
-		printk("%2.2x:", dev->dev_addr[i]);
-	}
-	printk("%2.2x,\n", dev->dev_addr[i]);
+	printk("%s\n", print_mac(mac, dev->dev_addr));
 
 	if (status) {
 		printk("      which has an EEPROM CRC error.\n");
@@ -628,7 +626,7 @@
 {
 	struct ewrk3_private *lp = netdev_priv(dev);
 	u_long iobase = dev->base_addr;
-	int i, status = 0;
+	int status = 0;
 	u_char icr, csr;
 
 	/*
@@ -648,12 +646,10 @@
 			ewrk3_init(dev);
 
 			if (ewrk3_debug > 1) {
+				DECLARE_MAC_BUF(mac);
 				printk("%s: ewrk3 open with irq %d\n", dev->name, dev->irq);
-				printk("  physical address: ");
-				for (i = 0; i < 5; i++) {
-					printk("%2.2x:", (u_char) dev->dev_addr[i]);
-				}
-				printk("%2.2x\n", (u_char) dev->dev_addr[i]);
+				printk("  physical address: %s\n",
+				       print_mac(mac, dev->dev_addr));
 				if (lp->shmem_length == 0) {
 					printk("  no shared memory, I/O only mode\n");
 				} else {
diff --git a/drivers/net/fealnx.c b/drivers/net/fealnx.c
index 402b071..43f7647 100644
--- a/drivers/net/fealnx.c
+++ b/drivers/net/fealnx.c
@@ -486,6 +486,7 @@
 #else
 	int bar = 1;
 #endif
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -664,11 +665,9 @@
 	if (err)
 		goto err_out_free_tx;
 
-	printk(KERN_INFO "%s: %s at %p, ",
-	       dev->name, skel_netdrv_tbl[chip_id].chip_name, ioaddr);
-	for (i = 0; i < 5; i++)
-		printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], irq);
+	printk(KERN_INFO "%s: %s at %p, %s, IRQ %d.\n",
+	       dev->name, skel_netdrv_tbl[chip_id].chip_name, ioaddr,
+	       print_mac(mac, dev->dev_addr), irq);
 
 	return 0;
 
diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index 4419c3c..2b57820 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -2635,6 +2635,7 @@
 {
 	struct net_device *dev;
 	int i, j, err;
+	DECLARE_MAC_BUF(mac);
 
 	printk("FEC ENET Version 0.2\n");
 
@@ -2653,10 +2654,8 @@
 			return -EIO;
 		}
 
-		printk("%s: ethernet ", dev->name);
-		for (j = 0; (j < 5); j++)
-			printk("%02x:", dev->dev_addr[j]);
-		printk("%02x\n", dev->dev_addr[5]);
+		printk("%s: ethernet %s\n",
+		       dev->name, print_mac(mac, dev->dev_addr));
 	}
 	return 0;
 }
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index be74457..f7354bc 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -4991,6 +4991,7 @@
 	u32 powerstate, txreg;
 	u32 phystate_orig = 0, phystate;
 	int phyinitialized = 0;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(sizeof(struct fe_priv));
 	err = -ENOMEM;
@@ -5205,10 +5206,8 @@
 		 * Bad mac address. At least one bios sets the mac address
 		 * to 01:23:45:67:89:ab
 		 */
-		printk(KERN_ERR "%s: Invalid Mac address detected: %02x:%02x:%02x:%02x:%02x:%02x\n",
-			pci_name(pci_dev),
-			dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-			dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+		printk(KERN_ERR "%s: Invalid Mac address detected: %s\n",
+		       pci_name(pci_dev), print_mac(mac, dev->dev_addr));
 		printk(KERN_ERR "Please complain to your hardware vendor. Switching to a random MAC.\n");
 		dev->dev_addr[0] = 0x00;
 		dev->dev_addr[1] = 0x00;
@@ -5216,9 +5215,8 @@
 		get_random_bytes(&dev->dev_addr[3], 3);
 	}
 
-	dprintk(KERN_DEBUG "%s: MAC Address %02x:%02x:%02x:%02x:%02x:%02x\n", pci_name(pci_dev),
-			dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-			dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	dprintk(KERN_DEBUG "%s: MAC Address %s\n",
+		pci_name(pci_dev), print_mac(mac, dev->dev_addr));
 
 	/* set mac address */
 	nv_copy_mac_to_hw(dev);
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 5a1a116..0db5e6f 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -170,6 +170,7 @@
 	struct resource *r;
 	int idx;
 	int err = 0;
+	DECLARE_MAC_BUF(mac);
 
 	einfo = (struct gianfar_platform_data *) pdev->dev.platform_data;
 
@@ -356,10 +357,8 @@
 	gfar_init_sysfs(dev);
 
 	/* Print out the device info */
-	printk(KERN_INFO DEVICE_NAME, dev->name);
-	for (idx = 0; idx < 6; idx++)
-		printk("%2.2x%c", dev->dev_addr[idx], idx == 5 ? ' ' : ':');
-	printk("\n");
+	printk(KERN_INFO DEVICE_NAME "%s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	/* Even more device info helps when determining which kernel */
 	/* provided which set of benchmarks. */
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index da12b3d..015ed3a 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -580,6 +580,7 @@
 	void *ring_space;
 	dma_addr_t ring_dma;
 	int ret = -ENOMEM;
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -741,12 +742,9 @@
 		goto err_out_unmap_rx;
 	}
 
-	printk(KERN_INFO "%s: %s type %x at %p, ",
+	printk(KERN_INFO "%s: %s type %x at %p, %s, IRQ %d.\n",
 		   dev->name, chip_tbl[chip_id].name, readl(ioaddr + ChipRev),
-		   ioaddr);
-	for (i = 0; i < 5; i++)
-			printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], irq);
+		   ioaddr, print_mac(mac, dev->dev_addr), irq);
 	i = readb(ioaddr + PCIClkMeas);
 	printk(KERN_INFO "%s:  %d-bit %d Mhz PCI bus (%d), Virtual Jumpers "
 		   "%2.2x, LPA %4.4x.\n",
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index df09210..c05bc37 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -64,7 +64,7 @@
 #include <net/ax25.h>
 #include <linux/inet.h>
 #include <linux/netdevice.h>
-#include <linux/if_ether.h>
+#include <linux/etherdevice.h>
 #include <linux/if_arp.h>
 #include <linux/skbuff.h>
 #include <net/sock.h>
@@ -95,7 +95,6 @@
 
 static int bpq_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
 static int bpq_device_event(struct notifier_block *, unsigned long, void *);
-static const char *bpq_print_ethaddr(const unsigned char *);
 
 static struct packet_type bpq_packet_type = {
 	.type	= __constant_htons(ETH_P_BPQ),
@@ -383,16 +382,6 @@
 /*
  *	Proc filesystem
  */
-static const char * bpq_print_ethaddr(const unsigned char *e)
-{
-	static char buf[18];
-
-	sprintf(buf, "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
-		e[0], e[1], e[2], e[3], e[4], e[5]);
-
-	return buf;
-}
-
 static void *bpq_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	int i = 1;
@@ -438,14 +427,16 @@
 			 "dev   ether      destination        accept from\n");
 	else {
 		const struct bpqdev *bpqdev = v;
+		DECLARE_MAC_BUF(mac);
 
 		seq_printf(seq, "%-5s %-10s %s  ",
 			bpqdev->axdev->name, bpqdev->ethdev->name,
-			bpq_print_ethaddr(bpqdev->dest_addr));
+			print_mac(mac, bpqdev->dest_addr));
 
-		seq_printf(seq, "%s\n",
-			(bpqdev->acpt_addr[0] & 0x01) ? "*" 
-			   : bpq_print_ethaddr(bpqdev->acpt_addr));
+		if (is_multicast_ether_addr(bpqdev->acpt_addr))
+			seq_printf(seq, "*\n");
+		else
+			seq_printf(seq, "%s\n", print_mac(mac, bpqdev->acpt_addr));
 
 	}
 	return 0;
diff --git a/drivers/net/hp-plus.c b/drivers/net/hp-plus.c
index 8d4f810..c2c4f49 100644
--- a/drivers/net/hp-plus.c
+++ b/drivers/net/hp-plus.c
@@ -166,6 +166,7 @@
 	const char name[] = "HP-PC-LAN+";
 	int mem_start;
 	static unsigned version_printed;
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr, HP_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -180,7 +181,7 @@
 	if (ei_debug  &&  version_printed++ == 0)
 		printk(version);
 
-	printk("%s: %s at %#3x,", dev->name, name, ioaddr);
+	printk("%s: %s at %#3x, ", dev->name, name, ioaddr);
 
 	/* Retrieve and checksum the station address. */
 	outw(MAC_Page, ioaddr + HP_PAGING);
@@ -189,10 +190,11 @@
 		unsigned char inval = inb(ioaddr + 8 + i);
 		dev->dev_addr[i] = inval;
 		checksum += inval;
-		printk(" %2.2x", inval);
 	}
 	checksum += inb(ioaddr + 14);
 
+	printk("%s", print_mac(mac, dev->dev_addr));
+
 	if (checksum != 0xff) {
 		printk(" bad checksum %2.2x.\n", checksum);
 		retval = -ENODEV;
diff --git a/drivers/net/hp.c b/drivers/net/hp.c
index 1f11126..c649a80 100644
--- a/drivers/net/hp.c
+++ b/drivers/net/hp.c
@@ -127,6 +127,7 @@
 	int i, retval, board_id, wordmode;
 	const char *name;
 	static unsigned version_printed;
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr, HP_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -158,7 +159,9 @@
 	printk("%s: %s (ID %02x) at %#3x,", dev->name, name, board_id, ioaddr);
 
 	for(i = 0; i < ETHER_ADDR_LEN; i++)
-		printk(" %2.2x", dev->dev_addr[i] = inb(ioaddr + i));
+		dev->dev_addr[i] = inb(ioaddr + i);
+
+	printk(" %s", print_mac(mac, dev->dev_addr));
 
 	/* Snarf the interrupt now.  Someday this could be moved to open(). */
 	if (dev->irq < 2) {
diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c
index 406d652..e4fde17 100644
--- a/drivers/net/hp100.c
+++ b/drivers/net/hp100.c
@@ -2093,9 +2093,9 @@
 				addrs = dmi->dmi_addr;
 				if ((*addrs & 0x01) == 0x01) {	/* multicast address? */
 #ifdef HP100_DEBUG
-					printk("hp100: %s: multicast = %02x:%02x:%02x:%02x:%02x:%02x, ",
-						     dev->name, addrs[0], addrs[1], addrs[2],
-						     addrs[3], addrs[4], addrs[5]);
+					DECLARE_MAC_BUF(mac);
+					printk("hp100: %s: multicast = %s, ",
+						     dev->name, print_mac(mac, addrs));
 #endif
 					for (j = idx = 0; j < 6; j++) {
 						idx ^= *addrs++ & 0x3f;
diff --git a/drivers/net/hydra.c b/drivers/net/hydra.c
index 31300a9..b96cf2d 100644
--- a/drivers/net/hydra.c
+++ b/drivers/net/hydra.c
@@ -103,6 +103,7 @@
     int start_page, stop_page;
     int j;
     int err;
+    DECLARE_MAC_BUF(mac);
 
     static u32 hydra_offsets[16] = {
 	0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
@@ -162,10 +163,8 @@
     zorro_set_drvdata(z, dev);
 
     printk(KERN_INFO "%s: Hydra at 0x%08lx, address "
-	   "%02x:%02x:%02x:%02x:%02x:%02x (hydra.c " HYDRA_VERSION ")\n",
-	   dev->name, z->resource.start, dev->dev_addr[0], dev->dev_addr[1],
-	   dev->dev_addr[2], dev->dev_addr[3], dev->dev_addr[4],
-	   dev->dev_addr[5]);
+	   "%s (hydra.c " HYDRA_VERSION ")\n",
+	   dev->name, z->resource.start, print_mac(mac, dev->dev_addr));
 
     return 0;
 }
diff --git a/drivers/net/ibm_emac/ibm_emac_core.c b/drivers/net/ibm_emac/ibm_emac_core.c
index d7da56b..7d4fa76 100644
--- a/drivers/net/ibm_emac/ibm_emac_core.c
+++ b/drivers/net/ibm_emac/ibm_emac_core.c
@@ -353,10 +353,9 @@
 
 	for (dmi = dev->ndev->mc_list; dmi; dmi = dmi->next) {
 		int bit;
-		DBG2("%d: mc %02x:%02x:%02x:%02x:%02x:%02x" NL,
-		     dev->def->index,
-		     dmi->dmi_addr[0], dmi->dmi_addr[1], dmi->dmi_addr[2],
-		     dmi->dmi_addr[3], dmi->dmi_addr[4], dmi->dmi_addr[5]);
+		DECLARE_MAC_BUF(mac);
+		DBG2("%d: mc %s" NL,
+		     dev->def->index, print_mac(mac, dmi->dmi_addr));
 
 		bit = 63 - (ether_crc(ETH_ALEN, dmi->dmi_addr) >> 26);
 		gaht[bit >> 4] |= 0x8000 >> (bit & 0x0f);
@@ -1940,6 +1939,7 @@
 	struct ocp_device *maldev;
 	struct ocp_enet_private *dev;
 	int err, i;
+	DECLARE_MAC_BUF(mac);
 
 	DBG("%d: probe" NL, ocpdev->def->index);
 
@@ -2188,10 +2188,8 @@
 
 	ocp_set_drvdata(ocpdev, dev);
 
-	printk("%s: emac%d, MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
-	       ndev->name, dev->def->index,
-	       ndev->dev_addr[0], ndev->dev_addr[1], ndev->dev_addr[2],
-	       ndev->dev_addr[3], ndev->dev_addr[4], ndev->dev_addr[5]);
+	printk("%s: emac%d, MAC %s\n",
+	       ndev->name, dev->def->index, print_mac(mac, ndev->dev_addr));
 
 	if (dev->phy.address >= 0)
 		printk("%s: found %s PHY (0x%02x)\n", ndev->name,
diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c
index eebf39a..91d83ac 100644
--- a/drivers/net/ibmlana.c
+++ b/drivers/net/ibmlana.c
@@ -898,6 +898,7 @@
 	int base = 0, irq = 0, iobase = 0, memlen = 0;
 	ibmlana_priv *priv;
 	ibmlana_medium medium;
+	DECLARE_MAC_BUF(mac);
 
 	/* can't work without an MCA bus ;-) */
 	if (MCA_bus == 0)
@@ -981,11 +982,10 @@
 	/* print config */
 
 	printk(KERN_INFO "%s: IRQ %d, I/O %#lx, memory %#lx-%#lx, "
-	       "MAC address %02x:%02x:%02x:%02x:%02x:%02x.\n",
+	       "MAC address %s.\n",
 	       dev->name, priv->realirq, dev->base_addr,
 	       dev->mem_start, dev->mem_end - 1,
-	       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-	       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	       print_mac(mac, dev->dev_addr));
 	printk(KERN_INFO "%s: %s medium\n", dev->name, MediaNames[priv->medium]);
 
 	/* reset board */
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 0636883..2289734 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -1276,16 +1276,13 @@
 	struct ibmveth_adapter *adapter = seq->private;
 	char *current_mac = ((char*) &adapter->netdev->dev_addr);
 	char *firmware_mac = ((char*) &adapter->mac_addr) ;
+	DECLARE_MAC_BUF(mac);
 
 	seq_printf(seq, "%s %s\n\n", ibmveth_driver_string, ibmveth_driver_version);
 
 	seq_printf(seq, "Unit Address:    0x%x\n", adapter->vdev->unit_address);
-	seq_printf(seq, "Current MAC:     %02X:%02X:%02X:%02X:%02X:%02X\n",
-		   current_mac[0], current_mac[1], current_mac[2],
-		   current_mac[3], current_mac[4], current_mac[5]);
-	seq_printf(seq, "Firmware MAC:    %02X:%02X:%02X:%02X:%02X:%02X\n",
-		   firmware_mac[0], firmware_mac[1], firmware_mac[2],
-		   firmware_mac[3], firmware_mac[4], firmware_mac[5]);
+	seq_printf(seq, "Current MAC:     %s\n", print_mac(mac, current_mac));
+	seq_printf(seq, "Firmware MAC:    %s\n", print_mac(mac, firmware_mac));
 
 	seq_printf(seq, "\nAdapter Statistics:\n");
 	seq_printf(seq, "  TX:  vio_map_single failres:      %ld\n", adapter->tx_map_failed);
diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c
index 05d2bc1..373f72c 100644
--- a/drivers/net/ioc3-eth.c
+++ b/drivers/net/ioc3-eth.c
@@ -443,18 +443,12 @@
  */
 static void ioc3_get_eaddr(struct ioc3_private *ip)
 {
-	int i;
-
+	DECLARE_MAC_BUF(mac);
 
 	ioc3_get_eaddr_nic(ip);
 
-	printk("Ethernet address is ");
-	for (i = 0; i < 6; i++) {
-		printk("%02x", priv_netdev(ip)->dev_addr[i]);
-		if (i < 5)
-			printk(":");
-	}
-	printk(".\n");
+	printk("Ethernet address is %s.\n",
+	       print_mac(mac, priv_netdev(ip)->dev_addr));
 }
 
 static void __ioc3_set_mac_address(struct net_device *dev)
diff --git a/drivers/net/isa-skeleton.c b/drivers/net/isa-skeleton.c
index 5417811..d6ff26a 100644
--- a/drivers/net/isa-skeleton.c
+++ b/drivers/net/isa-skeleton.c
@@ -192,6 +192,7 @@
 	static unsigned version_printed;
 	int i;
 	int err = -ENODEV;
+	DECLARE_MAC_BUF(mac);
 
 	/* Grab the region so that no one else tries to probe our ioports. */
 	if (!request_region(ioaddr, NETCARD_IO_EXTENT, cardname))
@@ -217,7 +218,9 @@
 
 	/* Retrieve and print the ethernet address. */
 	for (i = 0; i < 6; i++)
-		printk(" %2.2x", dev->dev_addr[i] = inb(ioaddr + i));
+		dev->dev_addr[i] = inb(ioaddr + i);
+
+	printk("%s", print_mac(mac, dev->dev_addr));
 
 	err = -EAGAIN;
 #ifdef jumpered_interrupts
diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c
index 13847a3..d3825c8 100644
--- a/drivers/net/jazzsonic.c
+++ b/drivers/net/jazzsonic.c
@@ -209,6 +209,7 @@
 	struct resource *res;
 	int err = 0;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
@@ -233,13 +234,8 @@
 	if (err)
 		goto out1;
 
-	printk("%s: MAC ", dev->name);
-	for (i = 0; i < 6; i++) {
-		printk("%2.2x", dev->dev_addr[i]);
-		if (i < 5)
-			printk(":");
-	}
-	printk(" IRQ %d\n", dev->irq);
+	printk("%s: MAC %s IRQ %d\n",
+	       dev->name, print_mac(mac, dev->dev_addr), dev->irq);
 
 	return 0;
 
diff --git a/drivers/net/lance.c b/drivers/net/lance.c
index 7b17212..977ed34 100644
--- a/drivers/net/lance.c
+++ b/drivers/net/lance.c
@@ -466,6 +466,7 @@
 	unsigned long flags;
 	int err = -ENOMEM;
 	void __iomem *bios;
+	DECLARE_MAC_BUF(mac);
 
 	/* First we look for special cases.
 	   Check for HP's on-board ethernet by looking for 'HP' in the BIOS.
@@ -522,12 +523,13 @@
 	/* We can't allocate dev->priv from alloc_etherdev() because it must
 	   a ISA DMA-able region. */
 	chipname = chip_table[lance_version].name;
-	printk("%s: %s at %#3x,", dev->name, chipname, ioaddr);
+	printk("%s: %s at %#3x, ", dev->name, chipname, ioaddr);
 
 	/* There is a 16 byte station address PROM at the base address.
 	   The first six bytes are the station address. */
 	for (i = 0; i < 6; i++)
-		printk(" %2.2x", dev->dev_addr[i] = inb(ioaddr + i));
+		dev->dev_addr[i] = inb(ioaddr + i);
+	printk("%s", print_mac(mac, dev->dev_addr));
 
 	dev->base_addr = ioaddr;
 	/* Make certain the data structures used by the LANCE are aligned and DMAble. */
diff --git a/drivers/net/lguest_net.c b/drivers/net/lguest_net.c
index 7f34c92..abce2ee 100644
--- a/drivers/net/lguest_net.c
+++ b/drivers/net/lguest_net.c
@@ -235,9 +235,9 @@
 	struct lguestnet_info *info = netdev_priv(dev);
 	/* Extract the destination ethernet address from the packet. */
 	const unsigned char *dest = ((struct ethhdr *)skb->data)->h_dest;
+	DECLARE_MAC_BUF(mac);
 
-	pr_debug("%s: xmit %02x:%02x:%02x:%02x:%02x:%02x\n",
-		 dev->name, dest[0],dest[1],dest[2],dest[3],dest[4],dest[5]);
+	pr_debug("%s: xmit %s\n", dev->name, print_mac(mac, dest));
 
 	/* If it's a multicast packet, we broadcast to everyone.  That's not
 	 * very efficient, but there are very few applications which actually
diff --git a/drivers/net/lib82596.c b/drivers/net/lib82596.c
index afa4638..ffaa14f 100644
--- a/drivers/net/lib82596.c
+++ b/drivers/net/lib82596.c
@@ -1034,15 +1034,12 @@
 
 static void print_eth(unsigned char *add, char *str)
 {
-	int i;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
 
-	printk(KERN_DEBUG "i596 0x%p, ", add);
-	for (i = 0; i < 6; i++)
-		printk(" %02X", add[i + 6]);
-	printk(" -->");
-	for (i = 0; i < 6; i++)
-		printk(" %02X", add[i]);
-	printk(" %02X%02X, %s\n", add[12], add[13], str);
+	printk(KERN_DEBUG "i596 0x%p, %s --> %s %02X%02X, %s\n",
+	       add, print_mac(mac, add + 6), print_mac(mac2, add),
+	       add[12], add[13], str);
 }
 
 static int __devinit i82596_probe(struct net_device *dev)
@@ -1352,6 +1349,7 @@
 	struct i596_private *lp = netdev_priv(dev);
 	struct i596_dma *dma = lp->dma;
 	int config = 0, cnt;
+	DECLARE_MAC_BUF(mac);
 
 	DEB(DEB_MULTI,
 	    printk(KERN_DEBUG
@@ -1415,8 +1413,8 @@
 			if (i596_debug > 1)
 				DEB(DEB_MULTI,
 				    printk(KERN_DEBUG
-					   "%s: Adding address %02x:%02x:%02x:%02x:%02x:%02x\n",
-					   dev->name, cp[0], cp[1], cp[2], cp[3], cp[4], cp[5]));
+					   "%s: Adding address %s\n",
+					   dev->name, print_mac(mac, cp)));
 		}
 		DMA_WBACK_INV(dev, &dma->mc_cmd, sizeof(struct mc_cmd));
 		i596_add_cmd(dev, &cmd->cmd);
diff --git a/drivers/net/lne390.c b/drivers/net/lne390.c
index 2dd3969..b369890 100644
--- a/drivers/net/lne390.c
+++ b/drivers/net/lne390.c
@@ -169,6 +169,7 @@
 {
 	int i, revision, ret;
 	unsigned long eisa_id;
+	DECLARE_MAC_BUF(mac);
 
 	if (inb_p(ioaddr + LNE390_ID_PORT) == 0xff) return -ENODEV;
 
@@ -200,10 +201,12 @@
 	}
 #endif
 
-	printk("lne390.c: LNE390%X in EISA slot %d, address", 0xa+revision, ioaddr/0x1000);
 	for(i = 0; i < ETHER_ADDR_LEN; i++)
-		printk(" %02x", (dev->dev_addr[i] = inb(ioaddr + LNE390_SA_PROM + i)));
-	printk(".\nlne390.c: ");
+		dev->dev_addr[i] = inb(ioaddr + LNE390_SA_PROM + i);
+	printk("lne390.c: LNE390%X in EISA slot %d, address %s.\n",
+	       0xa+revision, ioaddr/0x1000, print_mac(mac, dev->dev_addr));
+
+	printk("lne390.c: ");
 
 	/* Snarf the interrupt now. CFG file has them all listed as `edge' with share=NO */
 	if (dev->irq == 0) {
diff --git a/drivers/net/mac89x0.c b/drivers/net/mac89x0.c
index f6f3fdfe..30854f0 100644
--- a/drivers/net/mac89x0.c
+++ b/drivers/net/mac89x0.c
@@ -181,6 +181,7 @@
 	unsigned long ioaddr;
 	unsigned short sig;
 	int err = -ENODEV;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(sizeof(struct net_local));
 	if (!dev)
@@ -272,13 +273,11 @@
         }
 
 	dev->irq = SLOT2IRQ(slot);
-	printk(" IRQ %d ADDR ", dev->irq);
 
-	/* print the ethernet address. */
-	for (i = 0; i < ETH_ALEN; i++)
-		printk("%2.2x%s", dev->dev_addr[i],
-		       ((i < ETH_ALEN-1) ? ":" : ""));
-	printk("\n");
+	/* print the IRQ and ethernet address. */
+
+	printk(" IRQ %d ADDR %s\n",
+	       dev->irq, print_mac(mac, dev->dev_addr));
 
 	dev->open		= net_open;
 	dev->stop		= net_close;
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index c670758..047ea7b 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -1071,6 +1071,7 @@
 	unsigned long pclk_hz;
 	u32 config;
 	int err = -ENXIO;
+	DECLARE_MAC_BUF(mac);
 
 	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!regs) {
@@ -1190,10 +1191,9 @@
 	platform_set_drvdata(pdev, dev);
 
 	printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d "
-	       "(%02x:%02x:%02x:%02x:%02x:%02x)\n",
+	       "(%s)\n",
 	       dev->name, dev->base_addr, dev->irq,
-	       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-	       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	       print_mac(mac, dev->dev_addr));
 
 	phydev = bp->phy_dev;
 	printk(KERN_INFO "%s: attached PHY driver [%s] "
diff --git a/drivers/net/mace.c b/drivers/net/mace.c
index ee132b1..95ebe72 100644
--- a/drivers/net/mace.c
+++ b/drivers/net/mace.c
@@ -101,6 +101,7 @@
 	struct mace_data *mp;
 	const unsigned char *addr;
 	int j, rev, rc = -EBUSY;
+	DECLARE_MAC_BUF(mac);
 
 	if (macio_resource_count(mdev) != 3 || macio_irq_count(mdev) != 3) {
 		printk(KERN_ERR "can't use MACE %s: need 3 addrs and 3 irqs\n",
@@ -240,11 +241,9 @@
 		goto err_free_rx_irq;
 	}
 
-	printk(KERN_INFO "%s: MACE at", dev->name);
-	for (j = 0; j < 6; ++j) {
-		printk("%c%.2x", (j? ':': ' '), dev->dev_addr[j]);
-	}
-	printk(", chip revision %d.%d\n", mp->chipid >> 8, mp->chipid & 0xff);
+	printk(KERN_INFO "%s: MACE at %s, chip revision %d.%d\n",
+	       dev->name, print_mac(mac, dev->dev_addr),
+	       mp->chipid >> 8, mp->chipid & 0xff);
 
 	return 0;
 
diff --git a/drivers/net/macmace.c b/drivers/net/macmace.c
index 57f7c1a..6589239 100644
--- a/drivers/net/macmace.c
+++ b/drivers/net/macmace.c
@@ -194,6 +194,7 @@
 	unsigned char checksum = 0;
 	static int found = 0;
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	if (found || macintosh_config->ether_type != MAC_ETHER_MACE)
 		return -ENODEV;
@@ -248,9 +249,8 @@
 	dev->set_multicast_list	= mace_set_multicast;
 	dev->set_mac_address	= mace_set_address;
 
-	printk(KERN_INFO "%s: 68K MACE, hardware address %.2X", dev->name, dev->dev_addr[0]);
-	for (j = 1 ; j < 6 ; j++) printk(":%.2X", dev->dev_addr[j]);
-	printk("\n");
+	printk(KERN_INFO "%s: 68K MACE, hardware address %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	err = register_netdev(dev);
 	if (!err)
diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c
index a55a839..b267161 100644
--- a/drivers/net/macsonic.c
+++ b/drivers/net/macsonic.c
@@ -223,6 +223,7 @@
 	struct sonic_local *lp = netdev_priv(dev);
 	const int prom_addr = ONBOARD_SONIC_PROM_BASE;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	/* On NuBus boards we can sometimes look in the ROM resources.
 	   No such luck for comm-slot/onboard. */
@@ -266,13 +267,8 @@
 		dev->dev_addr[1] = val >> 8;
 		dev->dev_addr[0] = val & 0xff;
 
-		printk(KERN_INFO "HW Address from CAM 15: ");
-		for (i = 0; i < 6; i++) {
-			printk("%2.2x", dev->dev_addr[i]);
-			if (i < 5)
-				printk(":");
-		}
-		printk("\n");
+		printk(KERN_INFO "HW Address from CAM 15: %s\n",
+		       print_mac(mac, dev->dev_addr));
 	} else return 0;
 
 	if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) &&
@@ -567,7 +563,7 @@
 	struct net_device *dev;
 	struct sonic_local *lp;
 	int err;
-	int i;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(sizeof(struct sonic_local));
 	if (!dev)
@@ -591,13 +587,8 @@
 	if (err)
 		goto out;
 
-	printk("%s: MAC ", dev->name);
-	for (i = 0; i < 6; i++) {
-		printk("%2.2x", dev->dev_addr[i]);
-		if (i < 5)
-			printk(":");
-	}
-	printk(" IRQ %d\n", dev->irq);
+	printk("%s: MAC %s IRQ %d\n",
+	       dev->name, print_mac(mac, dev->dev_addr), dev->irq);
 
 	return 0;
 
diff --git a/drivers/net/meth.c b/drivers/net/meth.c
index fe5b6c3..e25dbab 100644
--- a/drivers/net/meth.c
+++ b/drivers/net/meth.c
@@ -95,11 +95,11 @@
 static inline void load_eaddr(struct net_device *dev)
 {
 	int i;
-	DPRINTK("Loading MAC Address: %02x:%02x:%02x:%02x:%02x:%02x\n",
-		(int)o2meth_eaddr[0]&0xFF,(int)o2meth_eaddr[1]&0xFF,(int)o2meth_eaddr[2]&0xFF,
-		(int)o2meth_eaddr[3]&0xFF,(int)o2meth_eaddr[4]&0xFF,(int)o2meth_eaddr[5]&0xFF);
+	DECLARE_MAC_BUF(mac);
+
 	for (i = 0; i < 6; i++)
 		dev->dev_addr[i] = o2meth_eaddr[i];
+	DPRINTK("Loading MAC Address: %s\n", print_mac(mac, dev->dev_addr));
 	mace->eth.mac_addr = (*(unsigned long*)o2meth_eaddr) >> 16;
 }
 
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 34df02c..e379165 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -784,6 +784,7 @@
 	unsigned int port_num = mp->port_num;
 	unsigned int size;
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	/* Clear any pending ethernet port interrupts */
 	mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
@@ -1413,8 +1414,8 @@
 
 	p = dev->dev_addr;
 	printk(KERN_NOTICE
-		"%s: port %d with MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",
-		dev->name, port_num, p[0], p[1], p[2], p[3], p[4], p[5]);
+		"%s: port %d with MAC address %s\n",
+		dev->name, port_num, print_mac(mac, p));
 
 	if (dev->features & NETIF_F_SG)
 		printk(KERN_NOTICE "%s: Scatter Gather Enabled\n", dev->name);
diff --git a/drivers/net/mvme147.c b/drivers/net/mvme147.c
index 837ad0f..86c9c06 100644
--- a/drivers/net/mvme147.c
+++ b/drivers/net/mvme147.c
@@ -67,6 +67,7 @@
 	u_long *addr;
 	u_long address;
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	if (!MACH_IS_MVME147 || called)
 		return ERR_PTR(-ENODEV);
@@ -101,12 +102,10 @@
 	address=address>>8;
 	dev->dev_addr[3]=address&0xff;
 
-	printk("%s: MVME147 at 0x%08lx, irq %d, Hardware Address %02x:%02x:%02x:%02x:%02x:%02x\n",
-		dev->name, dev->base_addr, MVME147_LANCE_IRQ,
-		dev->dev_addr[0],
-		dev->dev_addr[1], dev->dev_addr[2],
-		dev->dev_addr[3], dev->dev_addr[4],
-		dev->dev_addr[5]);
+	printk("%s: MVME147 at 0x%08lx, irq %d, "
+	       "Hardware Address %s\n",
+	       dev->name, dev->base_addr, MVME147_LANCE_IRQ,
+	       print_mac(mac, dev->dev_addr));
 
 	lp = (struct m147lance_private *)dev->priv;
 	lp->ram = __get_dma_pages(GFP_ATOMIC, 3);	/* 16K */
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 2f8864e..38b03f5 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -2395,6 +2395,7 @@
 	struct dev_mc_list *mc_list;
 	__be32 data[2] = { 0, 0 };
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	mgp = netdev_priv(dev);
 	/* can be called from atomic contexts,
@@ -2442,14 +2443,8 @@
 			printk(KERN_ERR "myri10ge: %s: Failed "
 			       "MXGEFW_JOIN_MULTICAST_GROUP, error status:"
 			       "%d\t", dev->name, err);
-			printk(KERN_ERR "MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
-			       ((unsigned char *)&mc_list->dmi_addr)[0],
-			       ((unsigned char *)&mc_list->dmi_addr)[1],
-			       ((unsigned char *)&mc_list->dmi_addr)[2],
-			       ((unsigned char *)&mc_list->dmi_addr)[3],
-			       ((unsigned char *)&mc_list->dmi_addr)[4],
-			       ((unsigned char *)&mc_list->dmi_addr)[5]
-			    );
+			printk(KERN_ERR "MAC %s\n",
+			       print_mac(mac, mc_list->dmi_addr));
 			goto abort;
 		}
 	}
diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c
index 35c4c598..d68ee51 100644
--- a/drivers/net/myri_sbus.c
+++ b/drivers/net/myri_sbus.c
@@ -311,12 +311,12 @@
 #ifdef DEBUG_HEADER
 static void dump_ehdr(struct ethhdr *ehdr)
 {
-	printk("ehdr[h_dst(%02x:%02x:%02x:%02x:%02x:%02x)"
-	       "h_source(%02x:%02x:%02x:%02x:%02x:%02x)h_proto(%04x)]\n",
-	       ehdr->h_dest[0], ehdr->h_dest[1], ehdr->h_dest[2],
-	       ehdr->h_dest[3], ehdr->h_dest[4], ehdr->h_dest[4],
-	       ehdr->h_source[0], ehdr->h_source[1], ehdr->h_source[2],
-	       ehdr->h_source[3], ehdr->h_source[4], ehdr->h_source[4],
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
+	printk("ehdr[h_dst(%s)"
+	       "h_source(%s)"
+	       "h_proto(%04x)]\n",
+	       print_mac(mac, ehdr->h_dest), print_mac(mac2, ehdr->h_source),
 	       ehdr->h_proto);
 }
 
@@ -325,13 +325,7 @@
 	struct ethhdr *ehdr = (struct ethhdr *) (stuff + 2);
 
 	printk("pad[%02x:%02x]", stuff[0], stuff[1]);
-	printk("ehdr[h_dst(%02x:%02x:%02x:%02x:%02x:%02x)"
-	       "h_source(%02x:%02x:%02x:%02x:%02x:%02x)h_proto(%04x)]\n",
-	       ehdr->h_dest[0], ehdr->h_dest[1], ehdr->h_dest[2],
-	       ehdr->h_dest[3], ehdr->h_dest[4], ehdr->h_dest[4],
-	       ehdr->h_source[0], ehdr->h_source[1], ehdr->h_source[2],
-	       ehdr->h_source[3], ehdr->h_source[4], ehdr->h_source[4],
-	       ehdr->h_proto);
+	dump_ehdr(ehdr);
 }
 #endif
 
@@ -895,6 +889,7 @@
 	struct myri_eth *mp;
 	unsigned char prop_buf[32];
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	DET(("myri_ether_init(%p,%d):\n", sdev, num));
 	dev = alloc_etherdev(sizeof(struct myri_eth));
@@ -1089,12 +1084,8 @@
 
 	num++;
 
-	printk("%s: MyriCOM MyriNET Ethernet ", dev->name);
-
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i],
-		       i == 5 ? ' ' : ':');
-	printk("\n");
+	printk("%s: MyriCOM MyriNET Ethernet %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	return 0;
 
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index 5ee4e87..ea38da6 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -805,6 +805,7 @@
 	const int pcibar = 1; /* PCI base address register */
 	int prev_eedata;
 	u32 tmp;
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -958,12 +959,10 @@
 		goto err_create_file;
 
 	if (netif_msg_drv(np)) {
-		printk(KERN_INFO "natsemi %s: %s at %#08lx (%s), ",
-			dev->name, natsemi_pci_info[chip_idx].name, iostart,
-			pci_name(np->pci_dev));
-		for (i = 0; i < ETH_ALEN-1; i++)
-				printk("%02x:", dev->dev_addr[i]);
-		printk("%02x, IRQ %d", dev->dev_addr[i], irq);
+		printk(KERN_INFO "natsemi %s: %s at %#08lx "
+		       "(%s), %s, IRQ %d",
+		       dev->name, natsemi_pci_info[chip_idx].name, iostart,
+		       pci_name(np->pci_dev), print_mac(mac, dev->dev_addr), irq);
 		if (dev->if_port == PORT_TP)
 			printk(", port TP.\n");
 		else if (np->ignore_phy)
diff --git a/drivers/net/ne-h8300.c b/drivers/net/ne-h8300.c
index 2b85d1b..368f256 100644
--- a/drivers/net/ne-h8300.c
+++ b/drivers/net/ne-h8300.c
@@ -204,6 +204,7 @@
 	static unsigned version_printed;
 	struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev);
 	unsigned char bus_width;
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr, NE_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -296,12 +297,11 @@
 
 	dev->base_addr = ioaddr;
 
-	for(i = 0; i < ETHER_ADDR_LEN; i++) {
-		printk(" %2.2x", SA_prom[i]);
+	for(i = 0; i < ETHER_ADDR_LEN; i++)
 		dev->dev_addr[i] = SA_prom[i];
-	}
+	printk(" %s\n", print_mac(mac, dev->dev_addr));
 
-	printk("\n%s: %s found at %#x, using IRQ %d.\n",
+	printk("%s: %s found at %#x, using IRQ %d.\n",
 		dev->name, name, ioaddr, dev->irq);
 
 	ei_status.name = name;
diff --git a/drivers/net/ne.c b/drivers/net/ne.c
index 27d8798..874d291 100644
--- a/drivers/net/ne.c
+++ b/drivers/net/ne.c
@@ -291,6 +291,7 @@
 	int neX000, ctron, copam, bad_card;
 	int reg0, ret;
 	static unsigned version_printed;
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr, NE_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -503,16 +504,14 @@
 	for (i = 0 ; i < ETHER_ADDR_LEN ; i++) {
 		dev->dev_addr[i] = SA_prom[i]
 			= inb_p(ioaddr + EN1_PHYS_SHIFT(i));
-		printk(" %2.2x", SA_prom[i]);
 	}
 #else
 	for(i = 0; i < ETHER_ADDR_LEN; i++) {
-		printk(" %2.2x", SA_prom[i]);
 		dev->dev_addr[i] = SA_prom[i];
 	}
 #endif
 
-	printk("\n");
+	printk("%s\n", print_mac(mac, dev->dev_addr));
 
 	ei_status.name = name;
 	ei_status.tx_start_page = start_page;
diff --git a/drivers/net/ne2.c b/drivers/net/ne2.c
index f73073b..f4cd8c7 100644
--- a/drivers/net/ne2.c
+++ b/drivers/net/ne2.c
@@ -302,6 +302,7 @@
 static int ne2_procinfo(char *buf, int slot, struct net_device *dev)
 {
 	int len=0;
+	DECLARE_MAC_BUF(mac);
 
 	len += sprintf(buf+len, "The NE/2 Ethernet Adapter\n" );
 	len += sprintf(buf+len, "Driver written by Wim Dumon ");
@@ -312,12 +313,7 @@
 	len += sprintf(buf+len, "Based on the original NE2000 drivers\n" );
 	len += sprintf(buf+len, "Base IO: %#x\n", (unsigned int)dev->base_addr);
 	len += sprintf(buf+len, "IRQ    : %d\n", dev->irq);
-
-#define HW_ADDR(i) dev->dev_addr[i]
-	len += sprintf(buf+len, "HW addr : %x:%x:%x:%x:%x:%x\n",
-			HW_ADDR(0), HW_ADDR(1), HW_ADDR(2),
-			HW_ADDR(3), HW_ADDR(4), HW_ADDR(5) );
-#undef HW_ADDR
+	len += sprintf(buf+len, "HW addr : %s\n", print_mac(mac, dev->dev_addr));
 
 	return len;
 }
@@ -330,6 +326,7 @@
 	const char *name = "NE/2";
 	int start_page, stop_page;
 	static unsigned version_printed;
+	DECLARE_MAC_BUF(mac);
 
 	if (ei_debug && version_printed++ == 0)
 		printk(version);
@@ -469,12 +466,12 @@
 
 	dev->base_addr = base_addr;
 
-	for(i = 0; i < ETHER_ADDR_LEN; i++) {
-		printk(" %2.2x", SA_prom[i]);
+	for(i = 0; i < ETHER_ADDR_LEN; i++)
 		dev->dev_addr[i] = SA_prom[i];
-	}
 
-	printk("\n%s: %s found at %#x, using IRQ %d.\n",
+	printk(" %s\n", print_mac(mac, dev->dev_addr));
+
+	printk("%s: %s found at %#x, using IRQ %d.\n",
 			dev->name, name, base_addr, dev->irq);
 
 	mca_set_adapter_procfn(slot, (MCA_ProcFn) ne2_procinfo, dev);
diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c
index a587967..b569c90 100644
--- a/drivers/net/ne2k-pci.c
+++ b/drivers/net/ne2k-pci.c
@@ -212,6 +212,7 @@
 	static unsigned int fnd_cnt;
 	long ioaddr;
 	int flags = pci_clone_list[chip_idx].flags;
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -365,12 +366,12 @@
 	if (i)
 		goto err_out_free_netdev;
 
-	printk("%s: %s found at %#lx, IRQ %d, ",
-		   dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq);
-	for(i = 0; i < 6; i++) {
-		printk("%2.2X%s", SA_prom[i], i == 5 ? ".\n": ":");
+	for(i = 0; i < 6; i++)
 		dev->dev_addr[i] = SA_prom[i];
-	}
+	printk("%s: %s found at %#lx, IRQ %d, %s.\n",
+	       dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq,
+	       print_mac(mac, dev->dev_addr));
+
 	memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
 
 	return 0;
diff --git a/drivers/net/ne3210.c b/drivers/net/ne3210.c
index b1bf833..425043a 100644
--- a/drivers/net/ne3210.c
+++ b/drivers/net/ne3210.c
@@ -99,6 +99,7 @@
 	int i, retval, port_index;
 	struct eisa_device *edev = to_eisa_device (device);
 	struct net_device *dev;
+	DECLARE_MAC_BUF(mac);
 
 	/* Allocate dev->priv and fill in 8390 specific dev fields. */
 	if (!(dev = alloc_ei_netdev ())) {
@@ -127,17 +128,15 @@
 		inb(ioaddr + NE3210_CFG1), inb(ioaddr + NE3210_CFG2));
 #endif
 
-
 	port_index = inb(ioaddr + NE3210_CFG2) >> 6;
-	printk("ne3210.c: NE3210 in EISA slot %d, media: %s, addr:",
-		edev->slot, ifmap[port_index]);
 	for(i = 0; i < ETHER_ADDR_LEN; i++)
-		printk(" %02x", (dev->dev_addr[i] = inb(ioaddr + NE3210_SA_PROM + i)));
-
+		dev->dev_addr[i] = inb(ioaddr + NE3210_SA_PROM + i);
+	printk("ne3210.c: NE3210 in EISA slot %d, media: %s, addr: %s.\n",
+		edev->slot, ifmap[port_index], print_mac(mac, dev->dev_addr));
 
 	/* Snarf the interrupt now. CFG file has them all listed as `edge' with share=NO */
 	dev->irq = irq_map[(inb(ioaddr + NE3210_CFG2) >> 3) & 0x07];
-	printk(".\nne3210.c: using IRQ %d, ", dev->irq);
+	printk("ne3210.c: using IRQ %d, ", dev->irq);
 
 	retval = request_irq(dev->irq, ei_interrupt, 0, DRV_NAME, dev);
 	if (retval) {
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 69ef1eb..5ffbb88 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -306,18 +306,16 @@
 
 static ssize_t show_local_mac(struct netconsole_target *nt, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
-			nt->np.local_mac[0], nt->np.local_mac[1],
-			nt->np.local_mac[2], nt->np.local_mac[3],
-			nt->np.local_mac[4], nt->np.local_mac[5]);
+	DECLARE_MAC_BUF(mac);
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			print_mac(mac, nt->np.local_mac));
 }
 
 static ssize_t show_remote_mac(struct netconsole_target *nt, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
-			nt->np.remote_mac[0], nt->np.remote_mac[1],
-			nt->np.remote_mac[2], nt->np.remote_mac[3],
-			nt->np.remote_mac[4], nt->np.remote_mac[5]);
+	DECLARE_MAC_BUF(mac);
+	return snprintf(buf, PAGE_SIZE, "%s\n",
+			print_mac(mac, nt->np.remote_mac));
 }
 
 /*
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 1b165a8..b9cde65 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -285,6 +285,7 @@
 	int valid_mac = 0;
 	u32 val;
 	int pci_func_id = PCI_FUNC(pdev->devfn);
+	DECLARE_MAC_BUF(mac);
 
 	printk(KERN_INFO "%s \n", netxen_nic_driver_string);
 
@@ -573,15 +574,9 @@
 		memcpy(netdev->perm_addr, netdev->dev_addr,
 			netdev->addr_len);
 		if (!is_valid_ether_addr(netdev->perm_addr)) {
-			printk(KERN_ERR "%s: Bad MAC address "
-				"%02x:%02x:%02x:%02x:%02x:%02x.\n",
-				netxen_nic_driver_name,
-				netdev->dev_addr[0],
-				netdev->dev_addr[1],
-				netdev->dev_addr[2],
-				netdev->dev_addr[3],
-				netdev->dev_addr[4],
-				netdev->dev_addr[5]);
+			printk(KERN_ERR "%s: Bad MAC address %s.\n",
+			       netxen_nic_driver_name,
+			       print_mac(mac, netdev->dev_addr));
 		} else {
 			if (adapter->macaddr_set)
 				adapter->macaddr_set(adapter,
diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c
index 05e0577..5b9e1b3 100644
--- a/drivers/net/netxen/netxen_nic_niu.c
+++ b/drivers/net/netxen/netxen_nic_niu.c
@@ -603,6 +603,7 @@
 	int phy = physical_port[adapter->portnum];
 	unsigned char mac_addr[6];
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	for (i = 0; i < 10; i++) {
 		temp[0] = temp[1] = 0;
@@ -627,15 +628,10 @@
 	if (i == 10) {
 		printk(KERN_ERR "%s: cannot set Mac addr for %s\n",
 		       netxen_nic_driver_name, adapter->netdev->name);
-		printk(KERN_ERR "MAC address set: "
-		       "%02x:%02x:%02x:%02x:%02x:%02x.\n",
-		       addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
-
-		printk(KERN_ERR "MAC address get: "
-		       "%02x:%02x:%02x:%02x:%02x:%02x.\n",
-		       mac_addr[0],
-		       mac_addr[1],
-		       mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
+		printk(KERN_ERR "MAC address set: %s.\n",
+		       print_mac(mac, addr));
+		printk(KERN_ERR "MAC address get: %s.\n",
+		       print_mac(mac, mac_addr));
 	}
 	return 0;
 }
diff --git a/drivers/net/ni5010.c b/drivers/net/ni5010.c
index 1dc74a7..14a768f 100644
--- a/drivers/net/ni5010.c
+++ b/drivers/net/ni5010.c
@@ -203,6 +203,7 @@
 	unsigned int data = 0;
 	int boguscount = 40;
 	int err = -ENODEV;
+	DECLARE_MAC_BUF(mac);
 
 	dev->base_addr = ioaddr;
 	dev->irq = irq;
@@ -268,8 +269,9 @@
 
 	for (i=0; i<6; i++) {
 		outw(i, IE_GP);
-		printk("%2.2x ", dev->dev_addr[i] = inb(IE_SAPROM));
+		dev->dev_addr[i] = inb(IE_SAPROM);
 	}
+	printk("%s ", print_mac(mac, dev->dev_addr));
 
 	PRINTK2((KERN_DEBUG "%s: I/O #4 passed!\n", dev->name));
 
diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index de495b6..ea71f6d 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -1962,6 +1962,7 @@
 	long addr;
 	int err;
 	int using_dac = 0;
+	DECLARE_MAC_BUF(mac);
 
 	/* See if we can set the dma mask early on; failure is fatal. */
 	if (sizeof(dma_addr_t) == 8 &&
@@ -2226,13 +2227,11 @@
 		ndev->features |= NETIF_F_HIGHDMA;
 	}
 
-	printk(KERN_INFO "%s: ns83820 v" VERSION ": DP83820 v%u.%u: %02x:%02x:%02x:%02x:%02x:%02x io=0x%08lx irq=%d f=%s\n",
+	printk(KERN_INFO "%s: ns83820 v" VERSION ": DP83820 v%u.%u: %s io=0x%08lx irq=%d f=%s\n",
 		ndev->name,
 		(unsigned)readl(dev->base + SRR) >> 8,
 		(unsigned)readl(dev->base + SRR) & 0xff,
-		ndev->dev_addr[0], ndev->dev_addr[1],
-		ndev->dev_addr[2], ndev->dev_addr[3],
-		ndev->dev_addr[4], ndev->dev_addr[5],
+		print_mac(mac, ndev->dev_addr),
 		addr, pci_dev->irq,
 		(ndev->features & NETIF_F_HIGHDMA) ? "h,sg" : "sg"
 		);
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index f310d94..4d87cd6 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -1155,6 +1155,7 @@
 	struct net_device *dev;
 	struct pasemi_mac *mac;
 	int err;
+	DECLARE_MAC_BUF(mac_buf);
 
 	err = pci_enable_device(pdev);
 	if (err)
@@ -1237,11 +1238,10 @@
 		goto out;
 	} else
 		printk(KERN_INFO "%s: PA Semi %s: intf %d, txch %d, rxch %d, "
-		       "hw addr %02x:%02x:%02x:%02x:%02x:%02x\n",
+		       "hw addr %s\n",
 		       dev->name, mac->type == MAC_TYPE_GMAC ? "GMAC" : "XAUI",
 		       mac->dma_if, mac->dma_txch, mac->dma_rxch,
-		       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-		       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+		       print_mac(mac_buf, dev->dev_addr));
 
 	return err;
 
diff --git a/drivers/net/pci-skeleton.c b/drivers/net/pci-skeleton.c
index 7dace63..ed402e0 100644
--- a/drivers/net/pci-skeleton.c
+++ b/drivers/net/pci-skeleton.c
@@ -737,6 +737,7 @@
 	int i, addr_len, option;
 	void *ioaddr = NULL;
 	static int board_idx = -1;
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -796,15 +797,11 @@
 
 	tp->phys[0] = 32;
 
-	printk (KERN_INFO "%s: %s at 0x%lx, "
-		"%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
-		"IRQ %d\n",
+	printk (KERN_INFO "%s: %s at 0x%lx, %sIRQ %d\n",
 		dev->name,
 		board_info[ent->driver_data].name,
 		dev->base_addr,
-		dev->dev_addr[0], dev->dev_addr[1],
-		dev->dev_addr[2], dev->dev_addr[3],
-		dev->dev_addr[4], dev->dev_addr[5],
+		print_mac(mac, dev->dev_addr),
 		dev->irq);
 
 	printk (KERN_DEBUG "%s:  Identified 8139 chip type '%s'\n",
diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c
index 2b395ee..73dcbb7 100644
--- a/drivers/net/pcmcia/3c574_cs.c
+++ b/drivers/net/pcmcia/3c574_cs.c
@@ -343,6 +343,7 @@
 	u16 *phys_addr;
 	char *cardname;
 	union wn3_config config;
+	DECLARE_MAC_BUF(mac);
 
 	phys_addr = (u16 *)dev->dev_addr;
 
@@ -458,10 +459,10 @@
 
 	strcpy(lp->node.dev_name, dev->name);
 
-	printk(KERN_INFO "%s: %s at io %#3lx, irq %d, hw_addr ",
-		   dev->name, cardname, dev->base_addr, dev->irq);
-	for (i = 0; i < 6; i++)
-		printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : ".\n"));
+	printk(KERN_INFO "%s: %s at io %#3lx, irq %d, "
+	       "hw_addr %s.\n",
+	       dev->name, cardname, dev->base_addr, dev->irq,
+	       print_mac(mac, dev->dev_addr));
 	printk(" %dK FIFO split %s Rx:Tx, %sMII interface.\n",
 		   8 << config.u.ram_size, ram_split[config.u.ram_split],
 		   config.u.autoselect ? "autoselect " : "");
diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c
index 2136c80..32076ca 100644
--- a/drivers/net/pcmcia/3c589_cs.c
+++ b/drivers/net/pcmcia/3c589_cs.c
@@ -255,6 +255,7 @@
     int last_fn, last_ret, i, j, multi = 0, fifo;
     kio_addr_t ioaddr;
     char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
+    DECLARE_MAC_BUF(mac);
     
     DEBUG(0, "3c589_config(0x%p)\n", link);
 
@@ -330,11 +331,10 @@
 
     strcpy(lp->node.dev_name, dev->name);
 
-    printk(KERN_INFO "%s: 3Com 3c%s, io %#3lx, irq %d, hw_addr ",
-	   dev->name, (multi ? "562" : "589"), dev->base_addr,
-	   dev->irq);
-    for (i = 0; i < 6; i++)
-	printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
+    printk(KERN_INFO "%s: 3Com 3c%s, io %#3lx, irq %d, "
+	   "hw_addr %s\n",
+	   dev->name, (multi ? "562" : "589"), dev->base_addr, dev->irq,
+	   print_mac(mac, dev->dev_addr));
     printk(KERN_INFO "  %dK FIFO split %s Rx:Tx, %s xcvr\n",
 	   (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
 	   if_names[dev->if_port]);
diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index 28eea20..de59313 100644
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -292,6 +292,7 @@
     cisparse_t parse;
     int i, j, last_ret, last_fn;
     u_short buf[64];
+    DECLARE_MAC_BUF(mac);
 
     DEBUG(0, "axnet_config(0x%p)\n", link);
 
@@ -403,11 +404,11 @@
 
     strcpy(info->node.dev_name, dev->name);
 
-    printk(KERN_INFO "%s: Asix AX88%d90: io %#3lx, irq %d, hw_addr ",
+    printk(KERN_INFO "%s: Asix AX88%d90: io %#3lx, irq %d, "
+	   "hw_addr %s\n",
 	   dev->name, ((info->flags & IS_AX88790) ? 7 : 1),
-	   dev->base_addr, dev->irq);
-    for (i = 0; i < 6; i++)
-	printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
+	   dev->base_addr, dev->irq,
+	   print_mac(mac, dev->dev_addr));
     if (info->phy_id != -1) {
 	DEBUG(0, "  MII transceiver at index %d, status %x.\n", info->phy_id, j);
     } else {
diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c
index 7f29e95..6284467 100644
--- a/drivers/net/pcmcia/fmvj18x_cs.c
+++ b/drivers/net/pcmcia/fmvj18x_cs.c
@@ -346,6 +346,7 @@
     cardtype_t cardtype;
     char *card_name = "unknown";
     u_char *node_id;
+    DECLARE_MAC_BUF(mac);
 
     DEBUG(0, "fmvj18x_config(0x%p)\n", link);
 
@@ -533,11 +534,10 @@
     strcpy(lp->node.dev_name, dev->name);
 
     /* print current configuration */
-    printk(KERN_INFO "%s: %s, sram %s, port %#3lx, irq %d, hw_addr ", 
+    printk(KERN_INFO "%s: %s, sram %s, port %#3lx, irq %d, "
+	   "hw_addr %s\n",
 	   dev->name, card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2", 
-	   dev->base_addr, dev->irq);
-    for (i = 0; i < 6; i++)
-	printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
+	   dev->base_addr, dev->irq, print_mac(mac, dev->dev_addr));
 
     return 0;
     
diff --git a/drivers/net/pcmcia/nmclan_cs.c b/drivers/net/pcmcia/nmclan_cs.c
index 1bb2ffa..a355a93 100644
--- a/drivers/net/pcmcia/nmclan_cs.c
+++ b/drivers/net/pcmcia/nmclan_cs.c
@@ -658,6 +658,7 @@
   u_char buf[64];
   int i, last_ret, last_fn;
   kio_addr_t ioaddr;
+  DECLARE_MAC_BUF(mac);
 
   DEBUG(0, "nmclan_config(0x%p)\n", link);
 
@@ -716,10 +717,10 @@
 
   strcpy(lp->node.dev_name, dev->name);
 
-  printk(KERN_INFO "%s: nmclan: port %#3lx, irq %d, %s port, hw_addr ",
-	 dev->name, dev->base_addr, dev->irq, if_names[dev->if_port]);
-  for (i = 0; i < 6; i++)
-      printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
+  printk(KERN_INFO "%s: nmclan: port %#3lx, irq %d, %s port,"
+	 " hw_addr %s\n",
+	 dev->name, dev->base_addr, dev->irq, if_names[dev->if_port],
+	 print_mac(mac, dev->dev_addr));
   return 0;
 
 cs_failed:
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index 8ce251c..6a64751 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -38,7 +38,7 @@
 #include <linux/delay.h>
 #include <linux/ethtool.h>
 #include <linux/netdevice.h>
-#include <../drivers/net/8390.h>
+#include "../8390.h"
 
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
@@ -521,6 +521,7 @@
     int has_shmem = 0;
     u_short buf[64];
     hw_info_t *hw_info;
+    DECLARE_MAC_BUF(mac);
 
     DEBUG(0, "pcnet_config(0x%p)\n", link);
 
@@ -670,9 +671,7 @@
 	printk (" mem %#5lx,", dev->mem_start);
     if (info->flags & HAS_MISC_REG)
 	printk(" %s xcvr,", if_names[dev->if_port]);
-    printk(" hw_addr ");
-    for (i = 0; i < 6; i++)
-	printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
+    printk(" hw_addr %s\n", print_mac(mac, dev->dev_addr));
     return 0;
 
 cs_failed:
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c
index b25f198..58d716f 100644
--- a/drivers/net/pcmcia/smc91c92_cs.c
+++ b/drivers/net/pcmcia/smc91c92_cs.c
@@ -962,6 +962,7 @@
     int i, j, rev;
     kio_addr_t ioaddr;
     u_long mir;
+    DECLARE_MAC_BUF(mac);
 
     DEBUG(0, "smc91c92_config(0x%p)\n", link);
 
@@ -1074,10 +1075,9 @@
     strcpy(smc->node.dev_name, dev->name);
 
     printk(KERN_INFO "%s: smc91c%s rev %d: io %#3lx, irq %d, "
-	   "hw_addr ", dev->name, name, (rev & 0x0f), dev->base_addr,
-	   dev->irq);
-    for (i = 0; i < 6; i++)
-	printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
+	   "hw_addr %s\n",
+	   dev->name, name, (rev & 0x0f), dev->base_addr, dev->irq,
+	   print_mac(mac, dev->dev_addr));
 
     if (rev > 0) {
 	if (mir & 0x3ff)
diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c
index d5c2d2c..c3b6960 100644
--- a/drivers/net/pcmcia/xirc2ps_cs.c
+++ b/drivers/net/pcmcia/xirc2ps_cs.c
@@ -731,6 +731,7 @@
     u_char buf[64];
     cistpl_lan_node_id_t *node_id = (cistpl_lan_node_id_t*)parse.funce.data;
     cistpl_cftable_entry_t *cf = &parse.cftable_entry;
+    DECLARE_MAC_BUF(mac);
 
     local->dingo_ccr = NULL;
 
@@ -1032,11 +1033,9 @@
     strcpy(local->node.dev_name, dev->name);
 
     /* give some infos about the hardware */
-    printk(KERN_INFO "%s: %s: port %#3lx, irq %d, hwaddr",
-	 dev->name, local->manf_str,(u_long)dev->base_addr, (int)dev->irq);
-    for (i = 0; i < 6; i++)
-	printk("%c%02X", i?':':' ', dev->dev_addr[i]);
-    printk("\n");
+    printk(KERN_INFO "%s: %s: port %#3lx, irq %d, hwaddr %s\n",
+	   dev->name, local->manf_str,(u_long)dev->base_addr, (int)dev->irq,
+	   print_mac(mac, dev->dev_addr));
 
     return 0;
 
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 2f130e0..ba2eb04 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -955,6 +955,7 @@
 {
 	struct pppox_sock *po;
 	char *dev_name;
+	DECLARE_MAC_BUF(mac);
 
 	if (v == SEQ_START_TOKEN) {
 		seq_puts(seq, "Id       Address              Device\n");
@@ -964,11 +965,8 @@
 	po = v;
 	dev_name = po->pppoe_pa.dev;
 
-	seq_printf(seq, "%08X %02X:%02X:%02X:%02X:%02X:%02X %8s\n",
-		   po->pppoe_pa.sid,
-		   po->pppoe_pa.remote[0], po->pppoe_pa.remote[1],
-		   po->pppoe_pa.remote[2], po->pppoe_pa.remote[3],
-		   po->pppoe_pa.remote[4], po->pppoe_pa.remote[5], dev_name);
+	seq_printf(seq, "%08X %s %8s\n",
+		   po->pppoe_pa.sid, print_mac(mac, po->pppoe_pa.remote), dev_name);
 out:
 	return 0;
 }
diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index f375bbb..0a42bf5 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -1348,6 +1348,7 @@
 	unsigned int i;
 	int status;
 	u64 v1, v2;
+	DECLARE_MAC_BUF(mac);
 
 	SET_NETDEV_DEV(netdev, &card->dev->core);
 	spin_lock_init(&card->tx_dma_lock);
@@ -1373,10 +1374,8 @@
 	v1 <<= 16;
 	memcpy(addr.sa_data, &v1, ETH_ALEN);
 	memcpy(netdev->dev_addr, addr.sa_data, ETH_ALEN);
-	dev_info(ctodev(card), "MAC addr %02x:%02x:%02x:%02x:%02x:%02x\n",
-		 netdev->dev_addr[0], netdev->dev_addr[1],
-		 netdev->dev_addr[2], netdev->dev_addr[3],
-		 netdev->dev_addr[4], netdev->dev_addr[5]);
+	dev_info(ctodev(card), "MAC addr %s\n",
+		 print_mac(mac, netdev->dev_addr));
 
 	card->vlan_index = -1;	/* no vlan */
 	for (i = 0; i < GELIC_NET_VLAN_MAX; i++) {
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 97c6ed0..ed79aa8 100755
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -3557,6 +3557,7 @@
 {
 	struct ql3_adapter *qdev = (struct ql3_adapter *)netdev_priv(ndev);
 	struct pci_dev *pdev = qdev->pdev;
+	DECLARE_MAC_BUF(mac);
 
 	printk(KERN_INFO PFX
 	       "\n%s Adapter %d RevisionID %d found %s on PCI slot %d.\n",
@@ -3582,10 +3583,8 @@
 
 	if (netif_msg_probe(qdev))
 		printk(KERN_INFO PFX
-		       "%s: MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",
-		       ndev->name, ndev->dev_addr[0], ndev->dev_addr[1],
-		       ndev->dev_addr[2], ndev->dev_addr[3], ndev->dev_addr[4],
-		       ndev->dev_addr[5]);
+		       "%s: MAC address %s\n",
+		       ndev->name, print_mac(mac, ndev->dev_addr));
 }
 
 static int ql_adapter_down(struct ql3_adapter *qdev, int do_reset)
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index d43dcf3..e7fd08a 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -432,6 +432,7 @@
 	struct net_device *ndev = NULL;
 	struct rionet_private *rnet;
 	u16 device_id;
+	DECLARE_MAC_BUF(mac);
 
 	/* Allocate our net_device structure */
 	ndev = alloc_etherdev(sizeof(struct rionet_private));
@@ -472,13 +473,12 @@
 	if (rc != 0)
 		goto out;
 
-	printk("%s: %s %s Version %s, MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
+	printk("%s: %s %s Version %s, MAC %s\n",
 	       ndev->name,
 	       DRV_NAME,
 	       DRV_DESC,
 	       DRV_VERSION,
-	       ndev->dev_addr[0], ndev->dev_addr[1], ndev->dev_addr[2],
-	       ndev->dev_addr[3], ndev->dev_addr[4], ndev->dev_addr[5]);
+	       print_mac(mac, ndev->dev_addr));
 
       out:
 	return rc;
diff --git a/drivers/net/rrunner.c b/drivers/net/rrunner.c
index 03facba..19152f5 100644
--- a/drivers/net/rrunner.c
+++ b/drivers/net/rrunner.c
@@ -520,7 +520,7 @@
 	struct rr_regs __iomem *regs;
 	struct eeprom *hw = NULL;
 	u32 sram_size, rev;
-	int i;
+	DECLARE_MAC_BUF(mac);
 
 	rrpriv = netdev_priv(dev);
 	regs = rrpriv->regs;
@@ -558,11 +558,7 @@
 	*(u32 *)(dev->dev_addr+2) =
 	  htonl(rr_read_eeprom_word(rrpriv, &hw->manf.BoardULA[4]));
 
-	printk("  MAC: ");
-
-	for (i = 0; i < 5; i++)
-		printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x\n", dev->dev_addr[i]);
+	printk("  MAC: %s\n", print_mac(mac, dev->dev_addr));
 
 	sram_size = rr_read_eeprom_word(rrpriv, (void *)8);
 	printk("  SRAM size 0x%06x\n", sram_size);
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index a285dd73..26895de 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -7417,6 +7417,7 @@
 	struct config_param *config;
 	int mode;
 	u8 dev_intr_type = intr_type;
+	DECLARE_MAC_BUF(mac);
 
 	if ((ret = s2io_verify_parm(pdev, &dev_intr_type)))
 		return ret;
@@ -7720,14 +7721,8 @@
 		  sp->product_name, pdev->revision);
 	DBG_PRINT(ERR_DBG, "%s: Driver version %s\n", dev->name,
 		  s2io_driver_version);
-	DBG_PRINT(ERR_DBG, "%s: MAC ADDR: "
-			  "%02x:%02x:%02x:%02x:%02x:%02x", dev->name,
-			  sp->def_mac_addr[0].mac_addr[0],
-			  sp->def_mac_addr[0].mac_addr[1],
-			  sp->def_mac_addr[0].mac_addr[2],
-			  sp->def_mac_addr[0].mac_addr[3],
-			  sp->def_mac_addr[0].mac_addr[4],
-			  sp->def_mac_addr[0].mac_addr[5]);
+	DBG_PRINT(ERR_DBG, "%s: MAC ADDR: %s\n",
+		  dev->name, print_mac(mac, dev->dev_addr));
 	DBG_PRINT(ERR_DBG, "SERIAL NUMBER: %s\n", sp->serial_num);
 	if (sp->device_type & XFRAME_II_DEVICE) {
 		mode = s2io_print_pci_mode(sp);
diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index 76e7ee9..6001ab4 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -2407,6 +2407,7 @@
 	uint64_t ea_reg;
 	int i;
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	sc = netdev_priv(dev);
 
@@ -2487,10 +2488,8 @@
 	 * was being displayed)
 	 */
 	printk(KERN_INFO
-	       "%s: SiByte Ethernet at 0x%08lX, address: %02X:%02X:%02X:%02X:%02X:%02X\n",
-	       dev->name, dev->base_addr,
-	       eaddr[0],eaddr[1],eaddr[2],eaddr[3],eaddr[4],eaddr[5]);
-
+	       "%s: SiByte Ethernet at 0x%08lX, address: %s\n",
+	       dev->name, dev->base_addr, print_mac(mac, eaddr));
 
 	return 0;
 
diff --git a/drivers/net/seeq8005.c b/drivers/net/seeq8005.c
index 8ef9402..48c64fb 100644
--- a/drivers/net/seeq8005.c
+++ b/drivers/net/seeq8005.c
@@ -158,6 +158,7 @@
 	int old_dmaar;
 	int old_rear;
 	int retval;
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr, SEEQ8005_IO_EXTENT, "seeq8005"))
 		return -ENODEV;
@@ -301,7 +302,8 @@
 
 	/* Retrieve and print the ethernet address. */
 	for (i = 0; i < 6; i++)
-		printk(" %2.2x", dev->dev_addr[i] = SA_prom[i+6]);
+		dev->dev_addr[i] = SA_prom[i+6];
+	printk("%s", print_mac(mac, dev->dev_addr));
 
 	if (dev->irq == 0xff)
 		;			/* Do nothing: a user-level program will set it. */
diff --git a/drivers/net/sgiseeq.c b/drivers/net/sgiseeq.c
index 5189ef0..ff40563 100644
--- a/drivers/net/sgiseeq.c
+++ b/drivers/net/sgiseeq.c
@@ -622,6 +622,7 @@
 	struct sgiseeq_private *sp;
 	struct net_device *dev;
 	int err, i;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(sizeof (struct sgiseeq_private));
 	if (!dev) {
@@ -695,9 +696,8 @@
 		goto err_out_free_page;
 	}
 
-	printk(KERN_INFO "%s: %s ", dev->name, sgiseeqstr);
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
+	printk(KERN_INFO "%s: %s %s\n",
+	       dev->name, sgiseeqstr, print_mac(mac, dev->dev_addr));
 
 	return 0;
 
diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index 808141b..7200883 100644
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -1759,6 +1759,7 @@
 	struct net_device *dev;
 	void __iomem *ioaddr;
 	int rc;
+	DECLARE_MAC_BUF(mac);
 
 	if (!printed_version) {
 		net_drv(&debug, KERN_INFO SIS190_DRIVER_NAME " loaded.\n");
@@ -1809,12 +1810,9 @@
 		goto err_remove_mii;
 
 	net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), "
-	       "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
-	       pci_name(pdev), sis_chip_info[ent->driver_data].name,
-	       ioaddr, dev->irq,
-	       dev->dev_addr[0], dev->dev_addr[1],
-	       dev->dev_addr[2], dev->dev_addr[3],
-	       dev->dev_addr[4], dev->dev_addr[5]);
+		  "%s\n",
+		  pci_name(pdev), sis_chip_info[ent->driver_data].name,
+		  ioaddr, dev->irq, print_mac(mac, dev->dev_addr));
 
 	net_probe(tp, KERN_INFO "%s: %s mode.\n", dev->name,
 		  (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII");
diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index 5da8e67..0857d2c 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -404,6 +404,7 @@
 	int i, ret;
 	const char *card_name = card_names[pci_id->driver_data];
 	const char *dev_name = pci_name(pci_dev);
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -533,11 +534,9 @@
 		goto err_unmap_rx;
 
 	/* print some information about our NIC */
-	printk(KERN_INFO "%s: %s at %#lx, IRQ %d, ", net_dev->name,
-	       card_name, ioaddr, net_dev->irq);
-	for (i = 0; i < 5; i++)
-		printk("%2.2x:", (u8)net_dev->dev_addr[i]);
-	printk("%2.2x.\n", net_dev->dev_addr[i]);
+	printk(KERN_INFO "%s: %s at %#lx, IRQ %d, %s\n",
+	       net_dev->name, card_name, ioaddr, net_dev->irq,
+	       print_mac(mac, net_dev->dev_addr));
 
 	/* Detect Wake on Lan support */
 	ret = (inl(net_dev->base_addr + CFGPMC) & PMESP) >> 27;
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index cac499f..ec1acfd 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -3616,12 +3616,11 @@
 static void __devinit skge_show_addr(struct net_device *dev)
 {
 	const struct skge_port *skge = netdev_priv(dev);
+	DECLARE_MAC_BUF(mac);
 
 	if (netif_msg_probe(skge))
-		printk(KERN_INFO PFX "%s: addr %02x:%02x:%02x:%02x:%02x:%02x\n",
-		       dev->name,
-		       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-		       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+		printk(KERN_INFO PFX "%s: addr %s\n",
+		       dev->name, print_mac(mac, dev->dev_addr));
 }
 
 static int __devinit skge_probe(struct pci_dev *pdev,
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index b8c15f8..a70bcbcf 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -3984,12 +3984,11 @@
 static void __devinit sky2_show_addr(struct net_device *dev)
 {
 	const struct sky2_port *sky2 = netdev_priv(dev);
+	DECLARE_MAC_BUF(mac);
 
 	if (netif_msg_probe(sky2))
-		printk(KERN_INFO PFX "%s: addr %02x:%02x:%02x:%02x:%02x:%02x\n",
-		       dev->name,
-		       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-		       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+		printk(KERN_INFO PFX "%s: addr %s\n",
+		       dev->name, print_mac(mac, dev->dev_addr));
 }
 
 /* Handle software interrupt used during MSI test */
diff --git a/drivers/net/smc-mca.c b/drivers/net/smc-mca.c
index 3b43fa8..d6abb68 100644
--- a/drivers/net/smc-mca.c
+++ b/drivers/net/smc-mca.c
@@ -196,6 +196,7 @@
 	int tirq = 0;
 	int base_addr = ultra_io[ultra_found];
 	int irq = ultra_irq[ultra_found];
+	DECLARE_MAC_BUF(mac);
 
 	if (base_addr || irq) {
 		printk(KERN_INFO "Probing for SMC MCA adapter");
@@ -330,10 +331,11 @@
 	reg4 = inb(ioaddr + 4) & 0x7f;
 	outb(reg4, ioaddr + 4);
 
-	printk(KERN_INFO "smc_mca[%d]: Parameters: %#3x,", slot + 1, ioaddr);
-
 	for (i = 0; i < 6; i++)
-		printk(" %2.2X", dev->dev_addr[i] = inb(ioaddr + 8 + i));
+		dev->dev_addr[i] = inb(ioaddr + 8 + i);
+
+	printk(KERN_INFO "smc_mca[%d]: Parameters: %#3x, %s",
+	       slot + 1, ioaddr, print_mac(mac, dev->dev_addr));
 
 	/* Switch from the station address to the alternate register set
 	 * and read the useful registers there.
diff --git a/drivers/net/smc-ultra.c b/drivers/net/smc-ultra.c
index d02bd7b..00d6cf1 100644
--- a/drivers/net/smc-ultra.c
+++ b/drivers/net/smc-ultra.c
@@ -198,6 +198,7 @@
 	unsigned char num_pages, irqreg, addr, piomode;
 	unsigned char idreg = inb(ioaddr + 7);
 	unsigned char reg4 = inb(ioaddr + 4) & 0x7f;
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr, ULTRA_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -224,10 +225,11 @@
 
 	model_name = (idreg & 0xF0) == 0x20 ? "SMC Ultra" : "SMC EtherEZ";
 
-	printk("%s: %s at %#3x,", dev->name, model_name, ioaddr);
-
 	for (i = 0; i < 6; i++)
-		printk(" %2.2X", dev->dev_addr[i] = inb(ioaddr + 8 + i));
+		dev->dev_addr[i] = inb(ioaddr + 8 + i);
+
+	printk("%s: %s at %#3x, %s", dev->name, model_name,
+	       ioaddr, print_mac(mac, dev->dev_addr));
 
 	/* Switch from the station address to the alternate register set and
 	   read the useful registers there. */
diff --git a/drivers/net/smc-ultra32.c b/drivers/net/smc-ultra32.c
index 043a500..a5a91ac 100644
--- a/drivers/net/smc-ultra32.c
+++ b/drivers/net/smc-ultra32.c
@@ -163,6 +163,7 @@
 	unsigned char idreg;
 	unsigned char reg4;
 	const char *ifmap[] = {"UTP No Link", "", "UTP/AUI", "UTP/BNC"};
+	DECLARE_MAC_BUF(mac);
 
 	if (!request_region(ioaddr, ULTRA32_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -203,10 +204,11 @@
 
 	model_name = "SMC Ultra32";
 
-	printk("%s: %s at 0x%X,", dev->name, model_name, ioaddr);
-
 	for (i = 0; i < 6; i++)
-		printk(" %2.2X", dev->dev_addr[i] = inb(ioaddr + 8 + i));
+		dev->dev_addr[i] = inb(ioaddr + 8 + i);
+
+	printk("%s: %s at 0x%X, %s",
+	       dev->name, model_name, ioaddr, print_mac(mac, dev->dev_addr));
 
 	/* Switch from the station address to the alternate register set and
 	   read the useful registers there. */
diff --git a/drivers/net/smc9194.c b/drivers/net/smc9194.c
index 5b6748e3..cb2698d 100644
--- a/drivers/net/smc9194.c
+++ b/drivers/net/smc9194.c
@@ -876,6 +876,8 @@
 	word memory_info_register;
 	word memory_cfg_register;
 
+	DECLARE_MAC_BUF(mac);
+
 	/* Grab the region so that no one else tries to probe our ioports. */
 	if (!request_region(ioaddr, SMC_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -1031,10 +1033,7 @@
 	/*
 	 . Print the Ethernet address
 	*/
-	printk("ADDR: ");
-	for (i = 0; i < 5; i++)
-		printk("%2.2x:", dev->dev_addr[i] );
-	printk("%2.2x \n", dev->dev_addr[5] );
+	printk("ADDR: %s\n", print_mac(mac, dev->dev_addr));
 
 	/* set the private data to zero by default */
 	memset(dev->priv, 0, sizeof(struct smc_local));
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index fe28d27..24e610e 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -1822,9 +1822,10 @@
 {
 	struct smc_local *lp = netdev_priv(dev);
 	static int version_printed = 0;
-	int i, retval;
+	int retval;
 	unsigned int val, revision_register;
 	const char *version_string;
+	DECLARE_MAC_BUF(mac);
 
 	DBG(2, "%s: %s\n", CARDNAME, __FUNCTION__);
 
@@ -2014,10 +2015,8 @@
 			       "set using ifconfig\n", dev->name);
 		} else {
 			/* Print the Ethernet address */
-			printk("%s: Ethernet addr: ", dev->name);
-			for (i = 0; i < 5; i++)
-				printk("%2.2x:", dev->dev_addr[i]);
-			printk("%2.2x\n", dev->dev_addr[5]);
+			printk("%s: Ethernet addr: %s\n",
+			       dev->name, print_mac(mac, dev->dev_addr));
 		}
 
 		if (lp->phy_type == 0) {
diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c
index 5785429..ea25375 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -694,6 +694,7 @@
 	void __iomem *base;
 	int drv_flags, io_size;
 	int boguscnt;
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -863,11 +864,9 @@
 	if (register_netdev(dev))
 		goto err_out_cleardev;
 
-	printk(KERN_INFO "%s: %s at %p, ",
-		   dev->name, netdrv_tbl[chip_idx].name, base);
-	for (i = 0; i < 5; i++)
-		printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], irq);
+	printk(KERN_INFO "%s: %s at %p, %s, IRQ %d.\n",
+	       dev->name, netdrv_tbl[chip_idx].name, base,
+	       print_mac(mac, dev->dev_addr), irq);
 
 	if (drv_flags & CanHaveMII) {
 		int phy, phy_idx = 0;
@@ -1472,13 +1471,16 @@
 		}
 #ifndef final_version			/* Remove after testing. */
 		/* You will want this info for the initial debug. */
-		if (debug > 5)
-			printk(KERN_DEBUG "  Rx data %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:"
-			       "%2.2x %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x %2.2x%2.2x.\n",
-			       skb->data[0], skb->data[1], skb->data[2], skb->data[3],
-			       skb->data[4], skb->data[5], skb->data[6], skb->data[7],
-			       skb->data[8], skb->data[9], skb->data[10],
-			       skb->data[11], skb->data[12], skb->data[13]);
+		if (debug > 5) {
+			DECLARE_MAC_BUF(mac);
+			DECLARE_MAC_BUF(mac2);
+
+			printk(KERN_DEBUG "  Rx data %s %s"
+			       " %2.2x%2.2x.\n",
+			       print_mac(mac, &skb->data[0]),
+			       print_mac(mac2, &skb->data[6]),
+			       skb->data[12], skb->data[13]);
+		}
 #endif
 
 		skb->protocol = eth_type_trans(skb, dev);
diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c
index f8fbc04..f8d4613 100644
--- a/drivers/net/sun3lance.c
+++ b/drivers/net/sun3lance.c
@@ -300,6 +300,7 @@
 	static int 		did_version;
 	volatile unsigned short *ioaddr_probe;
 	unsigned short tmp1, tmp2;
+	DECLARE_MAC_BUF(mac);
 
 #ifdef CONFIG_SUN3
 	ioaddr = (unsigned long)ioremap(LANCE_OBIO, PAGE_SIZE);
@@ -375,8 +376,7 @@
 	MEM->init.hwaddr[4] = dev->dev_addr[5];
 	MEM->init.hwaddr[5] = dev->dev_addr[4];
 
-	for( i = 0; i < 6; ++i )
-		printk( "%02x%s", dev->dev_addr[i], (i < 5) ? ":" : "\n" );
+	printk("%s\n", print_mac(mac, dev->dev_addr));
 
 	MEM->init.mode = 0x0000;
 	MEM->init.filter[0] = 0x00000000;
@@ -590,17 +590,12 @@
 	/* Fill in a Tx ring entry */
 #if 0
 	if (lance_debug >= 2) {
-		u_char *p;
-		int i;
-		printk( "%s: TX pkt %d type 0x%04x from ", dev->name,
-			lp->new_tx, ((u_short *)skb->data)[6]);
-		for( p = &((u_char *)skb->data)[6], i = 0; i < 6; i++ )
-			printk("%02x%s", *p++, i != 5 ? ":" : "" );
-		printk(" to ");
-		for( p = (u_char *)skb->data, i = 0; i < 6; i++ )
-			printk("%02x%s", *p++, i != 5 ? ":" : "" );
-		printk(" data at 0x%08x len %d\n", (int)skb->data,
-		       (int)skb->len );
+		printk( "%s: TX pkt %d type 0x%04x"
+			" from %s to %s"
+			" data at 0x%08x len %d\n",
+			dev->name, lp->new_tx, ((u_short *)skb->data)[6],
+			DEV_ADDR(&skb->data[6]), DEV_ADDR(skb->data),
+			(int)skb->data, (int)skb->len );
 	}
 #endif
 	/* We're not prepared for the int until the last flags are set/reset.
@@ -825,13 +820,14 @@
 
 #if 0
 				if (lance_debug >= 3) {
-					u_char *data = PKTBUF_ADDR(head), *p;
-					printk( "%s: RX pkt %d type 0x%04x from ", dev->name, entry, ((u_short *)data)[6]);
-					for( p = &data[6], i = 0; i < 6; i++ )
-						printk("%02x%s", *p++, i != 5 ? ":" : "" );
-					printk(" to ");
-					for( p = data, i = 0; i < 6; i++ )
-						printk("%02x%s", *p++, i != 5 ? ":" : "" );
+					u_char *data = PKTBUF_ADDR(head);
+					DECLARE_MAC_BUF(mac);
+					DECLARE_MAC_BUF(mac2)
+					printk("%s: RX pkt %d type 0x%04x"
+					       " from %s to %s",
+					       dev->name, lp->new_tx, ((u_short *)data)[6],
+					       print_mac(mac, &data[6]), print_mac(mac2, data));
+
 					printk(" data %02x %02x %02x %02x %02x %02x %02x %02x "
 					       "len %d at %08x\n",
 					       data[15], data[16], data[17], data[18],
diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index 4ba3e48..fe3ac6f 100644
--- a/drivers/net/sunbmac.c
+++ b/drivers/net/sunbmac.c
@@ -1082,6 +1082,7 @@
 	struct bigmac *bp;
 	u8 bsizes, bsizes_more;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	/* Get a new device struct for this interface. */
 	dev = alloc_etherdev(sizeof(struct bigmac));
@@ -1226,11 +1227,8 @@
 
 	dev_set_drvdata(&bp->bigmac_sdev->ofdev.dev, bp);
 
-	printk(KERN_INFO "%s: BigMAC 100baseT Ethernet ", dev->name);
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i],
-		       i == 5 ? ' ' : ':');
-	printk("\n");
+	printk(KERN_INFO "%s: BigMAC 100baseT Ethernet %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	return 0;
 
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index 3c553dcc..a37637e 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -467,7 +467,7 @@
 	int bar = 1;
 #endif
 	int phy, phy_idx = 0;
-
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -546,11 +546,9 @@
 	if (i)
 		goto err_out_unmap_rx;
 
-	printk(KERN_INFO "%s: %s at %p, ",
-		   dev->name, pci_id_tbl[chip_idx].name, ioaddr);
-	for (i = 0; i < 5; i++)
-			printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], irq);
+	printk(KERN_INFO "%s: %s at %p, %s, IRQ %d.\n",
+	       dev->name, pci_id_tbl[chip_idx].name, ioaddr,
+	       print_mac(mac, dev->dev_addr), irq);
 
 	np->phys[0] = 1;		/* Default setting */
 	np->mii_preamble_required++;
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 869ac44..53b8344 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -2965,7 +2965,8 @@
 	unsigned long gemreg_base, gemreg_len;
 	struct net_device *dev;
 	struct gem *gp;
-	int i, err, pci_using_dac;
+	int err, pci_using_dac;
+	DECLARE_MAC_BUF(mac);
 
 	if (gem_version_printed++ == 0)
 		printk(KERN_INFO "%s", version);
@@ -3149,12 +3150,9 @@
 		goto err_out_free_consistent;
 	}
 
-	printk(KERN_INFO "%s: Sun GEM (PCI) 10/100/1000BaseT Ethernet ",
-	       dev->name);
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i],
-		       i == 5 ? ' ' : ':');
-	printk("\n");
+	printk(KERN_INFO "%s: Sun GEM (PCI) 10/100/1000BaseT Ethernet "
+	       "%s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	if (gp->phy_type == phy_mii_mdio0 ||
      	    gp->phy_type == phy_mii_mdio1)
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 170580c..120c8af 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -2664,6 +2664,7 @@
 	struct net_device *dev;
 	int i, qfe_slot = -1;
 	int err = -ENODEV;
+	DECLARE_MAC_BUF(mac);
 
 	if (is_qfe) {
 		qp = quattro_sbus_find(sdev);
@@ -2850,10 +2851,7 @@
 		printk(KERN_INFO "%s: HAPPY MEAL (SBUS) 10/100baseT Ethernet ",
 		       dev->name);
 
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c",
-		       dev->dev_addr[i], i == 5 ? ' ' : ':');
-	printk("\n");
+	printk("%s\n", print_mac(mac, dev->dev_addr));
 
 	return 0;
 
@@ -2988,6 +2986,7 @@
 	int i, qfe_slot = -1;
 	char prom_name[64];
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	/* Now make sure pci_dev cookie is there. */
 #ifdef CONFIG_SPARC
@@ -3201,10 +3200,7 @@
 		printk(KERN_INFO "%s: HAPPY MEAL (PCI/CheerIO) 10/100BaseT Ethernet ",
 		       dev->name);
 
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i], i == 5 ? ' ' : ':');
-
-	printk("\n");
+	printk("%s\n", print_mac(mac, dev->dev_addr));
 
 	return 0;
 
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 7bf5c90..26ade68 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -1321,6 +1321,7 @@
 	struct net_device *dev;
 	struct lance_private *lp;
 	int    i;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(sizeof(struct lance_private) + 8);
 	if (!dev)
@@ -1478,12 +1479,8 @@
 
 	dev_set_drvdata(&sdev->ofdev.dev, lp);
 
-	printk(KERN_INFO "%s: LANCE ", dev->name);
-
-	for (i = 0; i < 6; i++)
-		printk("%2.2x%c", dev->dev_addr[i],
-		       i == 5 ? ' ': ':');
-	printk("\n");
+	printk(KERN_INFO "%s: LANCE %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	return 0;
 
diff --git a/drivers/net/tokenring/abyss.c b/drivers/net/tokenring/abyss.c
index 22fad51..124cfd4 100644
--- a/drivers/net/tokenring/abyss.c
+++ b/drivers/net/tokenring/abyss.c
@@ -97,8 +97,9 @@
 	static int versionprinted;
 	struct net_device *dev;
 	struct net_local *tp;
-	int i, ret, pci_irq_line;
+	int ret, pci_irq_line;
 	unsigned long pci_ioaddr;
+	DECLARE_MAC_BUF(mac);
 	
 	if (versionprinted++ == 0)
 		printk("%s", version);
@@ -145,12 +146,9 @@
 	}
 
 	abyss_read_eeprom(dev);
-		
-	printk("%s:    Ring Station Address: ", dev->name);
-	printk("%2.2x", dev->dev_addr[0]);
-	for (i = 1; i < 6; i++)
-		printk(":%2.2x", dev->dev_addr[i]);
-	printk("\n");
+
+	printk("%s:    Ring Station Address: %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	tp = netdev_priv(dev);
 	tp->setnselout = abyss_setnselout_pins;
diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c
index 65e21eb..e494c63 100644
--- a/drivers/net/tokenring/ibmtr.c
+++ b/drivers/net/tokenring/ibmtr.c
@@ -389,6 +389,7 @@
         unsigned long timeout;
 	static int version_printed;
 #endif
+	DECLARE_MAC_BUF(mac);
 
 	/*    Query the adapter PIO base port which will return
 	 *    indication of where MMIO was placed. We also have a
@@ -702,9 +703,8 @@
 		channel_def[cardpresent - 1], adapter_def(ti->adapter_type));
 	DPRINTK("using irq %d, PIOaddr %hx, %dK shared RAM.\n",
 			irq, PIOaddr, ti->mapped_ram_size / 2);
-	DPRINTK("Hardware address : %02X:%02X:%02X:%02X:%02X:%02X\n",
-		dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-		dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	DPRINTK("Hardware address : %s\n",
+		print_mac(mac, dev->dev_addr));
 	if (ti->page_mask)
 		DPRINTK("Shared RAM paging enabled. "
 			"Page size: %uK Shared Ram size %dK\n",
@@ -1739,18 +1739,20 @@
 	if (!IPv4_p) {
 
 		void __iomem *trhhdr = rbuf + offsetof(struct rec_buf, data);
-
+		u8 saddr[6];
+		u8 daddr[6];
+		DECLARE_MAC_BUF(mac);
+		DECLARE_MAC_BUF(mac2);
+		int i;
+		for (i = 0 ; i < 6 ; i++)
+			saddr[i] = readb(trhhdr + SADDR_OFST + i);
+		for (i = 0 ; i < 6 ; i++)
+			daddr[i] = readb(trhhdr + DADDR_OFST + i);
 		DPRINTK("Probably non-IP frame received.\n");
 		DPRINTK("ssap: %02X dsap: %02X "
-			"saddr: %02X:%02X:%02X:%02X:%02X:%02X "
-			"daddr: %02X:%02X:%02X:%02X:%02X:%02X\n",
+			"saddr: %s daddr: %$s\n",
 			readb(llc + SSAP_OFST), readb(llc + DSAP_OFST),
-			readb(trhhdr+SADDR_OFST), readb(trhhdr+ SADDR_OFST+1),
-			readb(trhhdr+SADDR_OFST+2), readb(trhhdr+SADDR_OFST+3),
-			readb(trhhdr+SADDR_OFST+4), readb(trhhdr+SADDR_OFST+5),
-			readb(trhhdr+DADDR_OFST), readb(trhhdr+DADDR_OFST + 1),
-			readb(trhhdr+DADDR_OFST+2), readb(trhhdr+DADDR_OFST+3),
-			readb(trhhdr+DADDR_OFST+4), readb(trhhdr+DADDR_OFST+5));
+			print_mac(mac, saddr), print_mac(mac2, daddr));
 	}
 #endif
 
diff --git a/drivers/net/tokenring/lanstreamer.c b/drivers/net/tokenring/lanstreamer.c
index f114fb7..47d84cd 100644
--- a/drivers/net/tokenring/lanstreamer.c
+++ b/drivers/net/tokenring/lanstreamer.c
@@ -447,6 +447,9 @@
 	unsigned int uaa_addr;
 	struct sk_buff *skb = NULL;
 	__u16 misr;
+#if STREAMER_DEBUG
+	DECLARE_MAC_BUF(mac);
+#endif
 
 	streamer_priv = netdev_priv(dev);
 	streamer_mmio = streamer_priv->streamer_mmio;
@@ -575,11 +578,8 @@
 			dev->dev_addr[i+1]= addr & 0xff;
 		}
 #if STREAMER_DEBUG
-		printk("Adapter address: ");
-		for (i = 0; i < 6; i++) {
-			printk("%02x:", dev->dev_addr[i]);
-		}
-		printk("\n");
+		printk("Adapter address: %s\n",
+		       print_mac(mac, dev->dev_addr));
 #endif
 	}
 	return 0;
@@ -1539,6 +1539,7 @@
 
 #if STREAMER_NETWORK_MONITOR
 	struct trh_hdr *mac_hdr;
+	DECLARE_MAC_BUF(mac);
 #endif
 
 	writew(streamer_priv->arb, streamer_mmio + LAPA);
@@ -1611,15 +1612,11 @@
 		       dev->name);
 		mac_hdr = tr_hdr(mac_frame);
 		printk(KERN_WARNING
-		       "%s: MAC Frame Dest. Addr: %02x:%02x:%02x:%02x:%02x:%02x \n",
-		       dev->name, mac_hdr->daddr[0], mac_hdr->daddr[1],
-		       mac_hdr->daddr[2], mac_hdr->daddr[3],
-		       mac_hdr->daddr[4], mac_hdr->daddr[5]);
+		       "%s: MAC Frame Dest. Addr: %s\n",
+		       dev->name, print_mac(mac, mac_hdr->daddr));
 		printk(KERN_WARNING
-		       "%s: MAC Frame Srce. Addr: %02x:%02x:%02x:%02x:%02x:%02x \n",
-		       dev->name, mac_hdr->saddr[0], mac_hdr->saddr[1],
-		       mac_hdr->saddr[2], mac_hdr->saddr[3],
-		       mac_hdr->saddr[4], mac_hdr->saddr[5]);
+		       "%s: MAC Frame Srce. Addr: %s\n",
+		       dev->name, DEV->ADDR6(mac_hdr->saddr));
 #endif
 		netif_rx(mac_frame);
 
@@ -1854,6 +1851,8 @@
 	struct streamer_parameters_table spt;
 	int size = 0;
 	int i;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
 
 	writew(streamer_priv->streamer_addr_table_addr, streamer_mmio + LAPA);
 	for (i = 0; i < 14; i += 2) {
@@ -1875,37 +1874,30 @@
 	size = sprintf(buffer, "\n%6s: Adapter Address   : Node Address      : Functional Addr\n", dev->name);
 
 	size += sprintf(buffer + size,
-		    "%6s: %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x\n",
-		    dev->name, dev->dev_addr[0], dev->dev_addr[1],
-		    dev->dev_addr[2], dev->dev_addr[3], dev->dev_addr[4],
-		    dev->dev_addr[5], sat.node_addr[0], sat.node_addr[1],
-		    sat.node_addr[2], sat.node_addr[3], sat.node_addr[4],
-		    sat.node_addr[5], sat.func_addr[0], sat.func_addr[1],
-		    sat.func_addr[2], sat.func_addr[3]);
+			"%6s: %s : %s : %02x:%02x:%02x:%02x\n",
+			dev->name, print_mac(mac, dev->dev_addr),
+			print_mac(mac2, sat.node_addr),
+			sat.func_addr[0], sat.func_addr[1],
+			sat.func_addr[2], sat.func_addr[3]);
 
 	size += sprintf(buffer + size, "\n%6s: Token Ring Parameters Table:\n", dev->name);
 
 	size += sprintf(buffer + size, "%6s: Physical Addr : Up Node Address   : Poll Address      : AccPri : Auth Src : Att Code :\n", dev->name);
 
 	size += sprintf(buffer + size,
-		    "%6s: %02x:%02x:%02x:%02x   : %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x:%02x:%02x : %04x   : %04x     :  %04x    :\n",
+		    "%6s: %02x:%02x:%02x:%02x   : %s : %s : %04x   : %04x     :  %04x    :\n",
 		    dev->name, spt.phys_addr[0], spt.phys_addr[1],
 		    spt.phys_addr[2], spt.phys_addr[3],
-		    spt.up_node_addr[0], spt.up_node_addr[1],
-		    spt.up_node_addr[2], spt.up_node_addr[3],
-		    spt.up_node_addr[4], spt.up_node_addr[4],
-		    spt.poll_addr[0], spt.poll_addr[1], spt.poll_addr[2],
-		    spt.poll_addr[3], spt.poll_addr[4], spt.poll_addr[5],
+		    print_mac(mac, spt.up_node_addr),
+		    print_mac(mac2, spt.poll_addr),
 		    ntohs(spt.acc_priority), ntohs(spt.auth_source_class),
 		    ntohs(spt.att_code));
 
 	size += sprintf(buffer + size, "%6s: Source Address    : Bcn T : Maj. V : Lan St : Lcl Rg : Mon Err : Frame Correl : \n", dev->name);
 
 	size += sprintf(buffer + size,
-		    "%6s: %02x:%02x:%02x:%02x:%02x:%02x : %04x  : %04x   : %04x   : %04x   : %04x    :     %04x     : \n",
-		    dev->name, spt.source_addr[0], spt.source_addr[1],
-		    spt.source_addr[2], spt.source_addr[3],
-		    spt.source_addr[4], spt.source_addr[5],
+		    "%6s: %s : %04x  : %04x   : %04x   : %04x   : %04x    :     %04x     : \n",
+		    dev->name, print_mac(mac, spt.source_addr),
 		    ntohs(spt.beacon_type), ntohs(spt.major_vector),
 		    ntohs(spt.lan_status), ntohs(spt.local_ring),
 		    ntohs(spt.mon_error), ntohs(spt.frame_correl));
@@ -1914,14 +1906,12 @@
 		    dev->name);
 
 	size += sprintf(buffer + size,
-		    "%6s:                :  %02x  :  %02x  : %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x    : \n",
+		    "%6s:                :  %02x  :  %02x  : %s : %02x:%02x:%02x:%02x    : \n",
 		    dev->name, ntohs(spt.beacon_transmit),
-		    ntohs(spt.beacon_receive), spt.beacon_naun[0],
-		    spt.beacon_naun[1], spt.beacon_naun[2],
-		    spt.beacon_naun[3], spt.beacon_naun[4],
-		    spt.beacon_naun[5], spt.beacon_phys[0],
-		    spt.beacon_phys[1], spt.beacon_phys[2],
-		    spt.beacon_phys[3]);
+		    ntohs(spt.beacon_receive),
+		    print_mac(mac, spt.beacon_naun),
+		    spt.beacon_phys[0], spt.beacon_phys[1],
+		    spt.beacon_phys[2], spt.beacon_phys[3]);
 	return size;
 }
 #endif
diff --git a/drivers/net/tokenring/madgemc.c b/drivers/net/tokenring/madgemc.c
index d0ce2ce..5a41513 100644
--- a/drivers/net/tokenring/madgemc.c
+++ b/drivers/net/tokenring/madgemc.c
@@ -151,7 +151,8 @@
 	struct net_local *tp;
 	struct card_info *card;
 	struct mca_device *mdev = to_mca_device(device);
-	int ret = 0, i = 0;
+	int ret = 0;
+	DECLARE_MAC_BUF(mac);
 
 	if (versionprinted++ == 0)
 		printk("%s", version);
@@ -322,11 +323,8 @@
 	mca_device_set_name(mdev, (card->cardtype == 0x08)?MADGEMC16_CARDNAME:MADGEMC32_CARDNAME);
 	mca_set_adapter_procfn(mdev->slot, madgemc_mcaproc, dev);
 
-	printk("%s:     Ring Station Address: ", dev->name);
-	printk("%2.2x", dev->dev_addr[0]);
-	for (i = 1; i < 6; i++)
-		printk(":%2.2x", dev->dev_addr[i]);
-	printk("\n");
+	printk("%s:     Ring Station Address: %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	if (tmsdev_init(dev, device)) {
 		printk("%s: unable to get memory for dev->priv.\n", 
@@ -692,11 +690,11 @@
 	struct net_local *tp = netdev_priv(dev);
 	struct card_info *curcard = tp->tmspriv;
 	int len = 0;
+	DECLARE_MAC_BUF(mac);
 	
 	len += sprintf(buf+len, "-------\n");
 	if (curcard) {
 		struct net_local *tp = netdev_priv(dev);
-		int i;
 		
 		len += sprintf(buf+len, "Card Revision: %d\n", curcard->cardrev);
 		len += sprintf(buf+len, "RAM Size: %dkb\n", curcard->ramsize);
@@ -716,11 +714,8 @@
 		}
 		len += sprintf(buf+len, " (%s)\n", (curcard->fairness)?"Unfair":"Fair");
 		
-		len += sprintf(buf+len, "Ring Station Address: ");
-		len += sprintf(buf+len, "%2.2x", dev->dev_addr[0]);
-		for (i = 1; i < 6; i++)
-			len += sprintf(buf+len, " %2.2x", dev->dev_addr[i]);
-		len += sprintf(buf+len, "\n");
+		len += sprintf(buf+len, "Ring Station Address: %s\n",
+			       print_mac(mac, dev->dev_addr));
 	} else 
 		len += sprintf(buf+len, "Card not configured\n");
 
diff --git a/drivers/net/tokenring/olympic.c b/drivers/net/tokenring/olympic.c
index a149d5e..74c1f0f 100644
--- a/drivers/net/tokenring/olympic.c
+++ b/drivers/net/tokenring/olympic.c
@@ -418,14 +418,15 @@
 	writel(uaa_addr,olympic_mmio+LAPA);
 	adapter_addr=olympic_priv->olympic_lap + (uaa_addr & (~0xf800));
 
-#if OLYMPIC_DEBUG
-	printk("adapter address: %02x:%02x:%02x:%02x:%02x:%02x\n",
-			readb(adapter_addr), readb(adapter_addr+1),readb(adapter_addr+2),
-			readb(adapter_addr+3),readb(adapter_addr+4),readb(adapter_addr+5));
-#endif
-
 	memcpy_fromio(&dev->dev_addr[0], adapter_addr,6);
 
+#if OLYMPIC_DEBUG
+ {
+	DECLARE_MAC_BUF(mac);
+	printk("adapter address: %s\n", print_mac(mac, dev->dev_addr));
+ }
+#endif
+
 	olympic_priv->olympic_addr_table_addr = swab16(readw(init_srb + 12)); 
 	olympic_priv->olympic_parms_addr = swab16(readw(init_srb + 14)); 
 
@@ -440,6 +441,7 @@
 	unsigned long flags, t;
 	int i, open_finished = 1 ;
 	u8 resp, err;
+	DECLARE_MAC_BUF(mac);
 
 	DECLARE_WAITQUEUE(wait,current) ; 
 
@@ -567,14 +569,8 @@
 			goto out;
 
 		case 0x32:
-			printk(KERN_WARNING "%s: Invalid LAA: %02x:%02x:%02x:%02x:%02x:%02x\n",
-				dev->name, 
-				olympic_priv->olympic_laa[0],
-				olympic_priv->olympic_laa[1],
-				olympic_priv->olympic_laa[2],
-				olympic_priv->olympic_laa[3],
-				olympic_priv->olympic_laa[4],
-				olympic_priv->olympic_laa[5]) ; 
+			printk(KERN_WARNING "%s: Invalid LAA: %s\n",
+			       dev->name, print_mac(mac, olympic_priv->olympic_laa));
 			goto out;
 
 		default:
@@ -704,30 +700,26 @@
 #endif
 
 	if (olympic_priv->olympic_network_monitor) { 
-		u8 __iomem *oat ; 
-		u8 __iomem *opt ; 
-		oat = (olympic_priv->olympic_lap + olympic_priv->olympic_addr_table_addr) ; 
-		opt = (olympic_priv->olympic_lap + olympic_priv->olympic_parms_addr) ; 
+		u8 __iomem *oat;
+		u8 __iomem *opt;
+		int i;
+		u8 addr[6];
+		DECLARE_MAC_BUF(mac);
+		oat = (olympic_priv->olympic_lap + olympic_priv->olympic_addr_table_addr);
+		opt = (olympic_priv->olympic_lap + olympic_priv->olympic_parms_addr);
 
-		printk("%s: Node Address: %02x:%02x:%02x:%02x:%02x:%02x\n",dev->name, 
-			readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)), 
-			readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+1),
-			readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+2),
-			readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+3),
-			readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+4),
-			readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+5));
+		for (i = 0; i < 6; i++)
+			addr[i] = readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+i);
+		printk("%s: Node Address: %s\n",dev->name, print_mac(mac, addr));
 		printk("%s: Functional Address: %02x:%02x:%02x:%02x\n",dev->name, 
 			readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)), 
 			readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+1),
 			readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+2),
 			readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+3));
-		printk("%s: NAUN Address: %02x:%02x:%02x:%02x:%02x:%02x\n",dev->name, 
-			readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)),
-			readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+1),
-			readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+2),
-			readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+3),
-			readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+4),
-			readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+5));
+
+		for (i = 0; i < 6; i++)
+			addr[i] = readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+i);
+		printk("%s: NAUN Address: %s\n",dev->name, print_mac(mac, addr));
 	}
 	
 	netif_start_queue(dev);
@@ -1445,11 +1437,14 @@
 		mac_frame->protocol = tr_type_trans(mac_frame, dev);
 
 		if (olympic_priv->olympic_network_monitor) { 
-			struct trh_hdr *mac_hdr ; 
-			printk(KERN_WARNING "%s: Received MAC Frame, details: \n",dev->name) ;
+			struct trh_hdr *mac_hdr;
+			DECLARE_MAC_BUF(mac);
+			printk(KERN_WARNING "%s: Received MAC Frame, details: \n",dev->name);
 			mac_hdr = tr_hdr(mac_frame);
-			printk(KERN_WARNING "%s: MAC Frame Dest. Addr: %02x:%02x:%02x:%02x:%02x:%02x \n", dev->name , mac_hdr->daddr[0], mac_hdr->daddr[1], mac_hdr->daddr[2], mac_hdr->daddr[3], mac_hdr->daddr[4], mac_hdr->daddr[5]) ; 
-			printk(KERN_WARNING "%s: MAC Frame Srce. Addr: %02x:%02x:%02x:%02x:%02x:%02x \n", dev->name , mac_hdr->saddr[0], mac_hdr->saddr[1], mac_hdr->saddr[2], mac_hdr->saddr[3], mac_hdr->saddr[4], mac_hdr->saddr[5]) ; 
+			printk(KERN_WARNING "%s: MAC Frame Dest. Addr: %s\n",
+			       dev->name, print_mac(mac, mac_hdr->daddr));
+			printk(KERN_WARNING "%s: MAC Frame Srce. Addr: %s\n",
+			       dev->name, print_mac(mac, mac_hdr->saddr));
 		}
 		netif_rx(mac_frame);
 		dev->last_rx = jiffies;
@@ -1644,26 +1639,24 @@
 	int len=0;
 	off_t begin=0;
 	off_t pos=0;
-	
+	u8 addr[6];
+	u8 addr2[6];
+	int i;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
+
 	size = sprintf(buffer, 
 		"IBM Pit/Pit-Phy/Olympic Chipset Token Ring Adapter %s\n",dev->name);
 	size += sprintf(buffer+size, "\n%6s: Adapter Address   : Node Address      : Functional Addr\n",
  	   dev->name); 
 
-	size += sprintf(buffer+size, "%6s: %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x\n",
+	for (i = 0 ; i < 6 ; i++)
+		addr[i] = readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr) + i);
+
+	size += sprintf(buffer+size, "%6s: %s : %s : %02x:%02x:%02x:%02x\n",
 	   dev->name,
-           dev->dev_addr[0],
-	   dev->dev_addr[1],
-	   dev->dev_addr[2],
- 	   dev->dev_addr[3],
-	   dev->dev_addr[4],
-	   dev->dev_addr[5],
-	   readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)), 
-	   readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+1),
-	   readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+2),
-	   readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+3),
-	   readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+4),
-	   readb(oat+offsetof(struct olympic_adapter_addr_table,node_addr)+5),
+	   print_mac(mac, dev->dev_addr),
+	   print_mac(mac2, addr),
 	   readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)), 
 	   readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+1),
 	   readb(oat+offsetof(struct olympic_adapter_addr_table,func_addr)+2),
@@ -1673,25 +1666,20 @@
 
 	size += sprintf(buffer+size, "%6s: Physical Addr : Up Node Address   : Poll Address      : AccPri : Auth Src : Att Code :\n",
 	  dev->name) ; 
-	   
-	size += sprintf(buffer+size, "%6s: %02x:%02x:%02x:%02x   : %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x:%02x:%02x : %04x   : %04x     :  %04x    :\n",
+
+	for (i = 0 ; i < 6 ; i++)
+		addr[i] = readb(opt+offsetof(struct olympic_parameters_table, up_node_addr) + i);
+	for (i = 0 ; i < 6 ; i++)
+		addr2[i] =  readb(opt+offsetof(struct olympic_parameters_table, poll_addr) + i);
+
+	size += sprintf(buffer+size, "%6s: %02x:%02x:%02x:%02x   : %s : %s : %04x   : %04x     :  %04x    :\n",
 	  dev->name,
 	  readb(opt+offsetof(struct olympic_parameters_table, phys_addr)),
 	  readb(opt+offsetof(struct olympic_parameters_table, phys_addr)+1),
 	  readb(opt+offsetof(struct olympic_parameters_table, phys_addr)+2),
 	  readb(opt+offsetof(struct olympic_parameters_table, phys_addr)+3),
-	  readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)),
-	  readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+1),
-	  readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+2),
-	  readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+3),
-	  readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+4),
-	  readb(opt+offsetof(struct olympic_parameters_table, up_node_addr)+5),
-	  readb(opt+offsetof(struct olympic_parameters_table, poll_addr)),
-	  readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+1),
-	  readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+2),
-	  readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+3),
-	  readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+4),
-	  readb(opt+offsetof(struct olympic_parameters_table, poll_addr)+5),
+	  print_mac(mac, addr),
+	  print_mac(mac2, addr2),
 	  swab16(readw(opt+offsetof(struct olympic_parameters_table, acc_priority))),
 	  swab16(readw(opt+offsetof(struct olympic_parameters_table, auth_source_class))),
 	  swab16(readw(opt+offsetof(struct olympic_parameters_table, att_code))));
@@ -1699,14 +1687,11 @@
 	size += sprintf(buffer+size, "%6s: Source Address    : Bcn T : Maj. V : Lan St : Lcl Rg : Mon Err : Frame Correl : \n",
 	  dev->name) ; 
 	
-	size += sprintf(buffer+size, "%6s: %02x:%02x:%02x:%02x:%02x:%02x : %04x  : %04x   : %04x   : %04x   : %04x    :     %04x     : \n",
+	for (i = 0 ; i < 6 ; i++)
+		addr[i] = readb(opt+offsetof(struct olympic_parameters_table, source_addr) + i);
+	size += sprintf(buffer+size, "%6s: %s : %04x  : %04x   : %04x   : %04x   : %04x    :     %04x     : \n",
 	  dev->name,
-	  readb(opt+offsetof(struct olympic_parameters_table, source_addr)),
-	  readb(opt+offsetof(struct olympic_parameters_table, source_addr)+1),
-	  readb(opt+offsetof(struct olympic_parameters_table, source_addr)+2),
-	  readb(opt+offsetof(struct olympic_parameters_table, source_addr)+3),
-	  readb(opt+offsetof(struct olympic_parameters_table, source_addr)+4),
-	  readb(opt+offsetof(struct olympic_parameters_table, source_addr)+5),
+	  print_mac(mac, addr),
 	  swab16(readw(opt+offsetof(struct olympic_parameters_table, beacon_type))),
 	  swab16(readw(opt+offsetof(struct olympic_parameters_table, major_vector))),
 	  swab16(readw(opt+offsetof(struct olympic_parameters_table, lan_status))),
@@ -1717,16 +1702,13 @@
 	size += sprintf(buffer+size, "%6s: Beacon Details :  Tx  :  Rx  : NAUN Node Address : NAUN Node Phys : \n",
 	  dev->name) ; 
 
-	size += sprintf(buffer+size, "%6s:                :  %02x  :  %02x  : %02x:%02x:%02x:%02x:%02x:%02x : %02x:%02x:%02x:%02x    : \n",
+	for (i = 0 ; i < 6 ; i++)
+		addr[i] = readb(opt+offsetof(struct olympic_parameters_table, beacon_naun) + i);
+	size += sprintf(buffer+size, "%6s:                :  %02x  :  %02x  : %s : %02x:%02x:%02x:%02x    : \n",
 	  dev->name,
 	  swab16(readw(opt+offsetof(struct olympic_parameters_table, beacon_transmit))),
 	  swab16(readw(opt+offsetof(struct olympic_parameters_table, beacon_receive))),
-	  readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)),
-	  readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+1),
-	  readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+2),
-	  readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+3),
-	  readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+4),
-	  readb(opt+offsetof(struct olympic_parameters_table, beacon_naun)+5),
+	  print_mac(mac, addr),
 	  readb(opt+offsetof(struct olympic_parameters_table, beacon_phys)),
 	  readb(opt+offsetof(struct olympic_parameters_table, beacon_phys)+1),
 	  readb(opt+offsetof(struct olympic_parameters_table, beacon_phys)+2),
diff --git a/drivers/net/tokenring/proteon.c b/drivers/net/tokenring/proteon.c
index 85d156d..ca6b659 100644
--- a/drivers/net/tokenring/proteon.c
+++ b/drivers/net/tokenring/proteon.c
@@ -122,6 +122,7 @@
         static int versionprinted;
 	const unsigned *port;
 	int j,err = 0;
+	DECLARE_MAC_BUF(mac);
 
 	if (!dev)
 		return -ENOMEM;
@@ -152,11 +153,8 @@
 		
 	proteon_read_eeprom(dev);
 
-	printk(KERN_DEBUG "proteon.c:    Ring Station Address: ");
-	printk("%2.2x", dev->dev_addr[0]);
-	for (j = 1; j < 6; j++)
-		printk(":%2.2x", dev->dev_addr[j]);
-	printk("\n");
+	printk(KERN_DEBUG "proteon.c:    Ring Station Address: %s\n",
+	       print_mac(mac, dev->dev_addr));
 		
 	tp = netdev_priv(dev);
 	tp->setnselout = proteon_setnselout_pins;
diff --git a/drivers/net/tokenring/skisa.c b/drivers/net/tokenring/skisa.c
index ecbddc8..32e8d5a 100644
--- a/drivers/net/tokenring/skisa.c
+++ b/drivers/net/tokenring/skisa.c
@@ -139,6 +139,7 @@
         static int versionprinted;
 	const unsigned *port;
 	int j, err = 0;
+	DECLARE_MAC_BUF(mac);
 
 	if (!dev)
 		return -ENOMEM;
@@ -169,11 +170,8 @@
 		
 	sk_isa_read_eeprom(dev);
 
-	printk(KERN_DEBUG "skisa.c:    Ring Station Address: ");
-	printk("%2.2x", dev->dev_addr[0]);
-	for (j = 1; j < 6; j++)
-		printk(":%2.2x", dev->dev_addr[j]);
-	printk("\n");
+	printk(KERN_DEBUG "skisa.c:    Ring Station Address: %s\n",
+	       print_mac(mac, dev->dev_addr));
 		
 	tp = netdev_priv(dev);
 	tp->setnselout = sk_isa_setnselout_pins;
diff --git a/drivers/net/tokenring/tmspci.c b/drivers/net/tokenring/tmspci.c
index ecdd851..1c18f78 100644
--- a/drivers/net/tokenring/tmspci.c
+++ b/drivers/net/tokenring/tmspci.c
@@ -96,10 +96,11 @@
 	static int versionprinted;
 	struct net_device *dev;
 	struct net_local *tp;
-	int i, ret;
+	int ret;
 	unsigned int pci_irq_line;
 	unsigned long pci_ioaddr;
 	struct card_info *cardinfo = &card_info_table[ent->driver_data];
+	DECLARE_MAC_BUF(mac);
 
 	if (versionprinted++ == 0)
 		printk("%s", version);
@@ -136,11 +137,8 @@
 		
 	tms_pci_read_eeprom(dev);
 
-	printk("%s:    Ring Station Address: ", dev->name);
-	printk("%2.2x", dev->dev_addr[0]);
-	for (i = 1; i < 6; i++)
-		printk(":%2.2x", dev->dev_addr[i]);
-	printk("\n");
+	printk("%s:    Ring Station Address: %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 		
 	ret = tmsdev_init(dev, &pdev->dev);
 	if (ret) {
diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c
index fe3225d..df10af7 100644
--- a/drivers/net/tsi108_eth.c
+++ b/drivers/net/tsi108_eth.c
@@ -1540,6 +1540,7 @@
 	struct tsi108_prv_data *data = NULL;
 	hw_info *einfo;
 	int err = 0;
+	DECLARE_MAC_BUF(mac);
 
 	einfo = pdev->dev.platform_data;
 
@@ -1628,10 +1629,8 @@
 		goto register_fail;
 	}
 
-	printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: "
-	       "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name,
-	       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-	       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	printk(KERN_INFO "%s: Tsi108 Gigabit Ethernet, MAC: %s\n"
+	       dev->name, print_mac(mac, dev->dev_addr));
 #ifdef DEBUG
 	data->msg_enable = DEBUG;
 	dump_eth_one(dev);
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index ba3d0e5..f12e33a 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -1929,6 +1929,7 @@
 	void __iomem *regs;
 	unsigned long pciaddr;
 	static int board_idx = -1;
+	DECLARE_MAC_BUF(mac);
 
 	board_idx++;
 
@@ -2042,15 +2043,11 @@
 		goto err_out_iomap;
 
 	/* print info about board and interface just registered */
-	printk (KERN_INFO "%s: %s at 0x%lx, "
-		"%02x:%02x:%02x:%02x:%02x:%02x, "
-		"IRQ %d\n",
+	printk (KERN_INFO "%s: %s at 0x%lx, %s, IRQ %d\n",
 		dev->name,
 		de->de21040 ? "21040" : "21041",
 		dev->base_addr,
-		dev->dev_addr[0], dev->dev_addr[1],
-		dev->dev_addr[2], dev->dev_addr[3],
-		dev->dev_addr[4], dev->dev_addr[5],
+		print_mac(mac, dev->dev_addr),
 		dev->irq);
 
 	pci_set_drvdata(pdev, dev);
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index ee4215c..4633cc6d 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -1088,6 +1088,7 @@
     struct de4x5_private *lp = netdev_priv(dev);
     struct pci_dev *pdev = NULL;
     int i, status=0;
+    DECLARE_MAC_BUF(mac);
 
     gendev->driver_data = dev;
 
@@ -1123,12 +1124,8 @@
     dev->base_addr = iobase;
     printk ("%s: %s at 0x%04lx", gendev->bus_id, name, iobase);
 
-    printk(", h/w address ");
     status = get_hw_addr(dev);
-    for (i = 0; i < ETH_ALEN - 1; i++) {     /* get the ethernet addr. */
-	printk("%2.2x:", dev->dev_addr[i]);
-    }
-    printk("%2.2x,\n", dev->dev_addr[i]);
+    printk(", h/w address %s\n", print_mac(mac, dev->dev_addr));
 
     if (status != 0) {
 	printk("      which has an Ethernet PROM CRC error.\n");
@@ -5468,19 +5465,16 @@
 de4x5_dbg_srom(struct de4x5_srom *p)
 {
     int i;
+    DECLARE_MAC_BUF(mac);
 
     if (de4x5_debug & DEBUG_SROM) {
 	printk("Sub-system Vendor ID: %04x\n", *((u_short *)p->sub_vendor_id));
 	printk("Sub-system ID:        %04x\n", *((u_short *)p->sub_system_id));
 	printk("ID Block CRC:         %02x\n", (u_char)(p->id_block_crc));
 	printk("SROM version:         %02x\n", (u_char)(p->version));
-	printk("# controllers:         %02x\n", (u_char)(p->num_controllers));
+	printk("# controllers:        %02x\n", (u_char)(p->num_controllers));
 
-	printk("Hardware Address:     ");
-	for (i=0;i<ETH_ALEN-1;i++) {
-	    printk("%02x:", (u_char)*(p->ieee_addr+i));
-	}
-	printk("%02x\n", (u_char)*(p->ieee_addr+i));
+	printk("Hardware Address:     %s\n", print_mac(mac, p->ieee_addr));
 	printk("CRC checksum:         %04x\n", (u_short)(p->chksum));
 	for (i=0; i<64; i++) {
 	    printk("%3d %04x\n", i<<1, (u_short)*((u_short *)p+i));
@@ -5494,21 +5488,12 @@
 de4x5_dbg_rx(struct sk_buff *skb, int len)
 {
     int i, j;
+    DECLARE_MAC_BUF(mac);
+    DECLARE_MAC_BUF(mac2);
 
     if (de4x5_debug & DEBUG_RX) {
-	printk("R: %02x:%02x:%02x:%02x:%02x:%02x <- %02x:%02x:%02x:%02x:%02x:%02x len/SAP:%02x%02x [%d]\n",
-	       (u_char)skb->data[0],
-	       (u_char)skb->data[1],
-	       (u_char)skb->data[2],
-	       (u_char)skb->data[3],
-	       (u_char)skb->data[4],
-	       (u_char)skb->data[5],
-	       (u_char)skb->data[6],
-	       (u_char)skb->data[7],
-	       (u_char)skb->data[8],
-	       (u_char)skb->data[9],
-	       (u_char)skb->data[10],
-	       (u_char)skb->data[11],
+	printk("R: %s <- %s len/SAP:%02x%02x [%d]\n",
+	       print_mac(mac, skb->data), print_mac(mac2, &skb->data[6]),
 	       (u_char)skb->data[12],
 	       (u_char)skb->data[13],
 	       len);
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index e2596e9..ca90566 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -362,6 +362,7 @@
 	struct net_device *dev;
 	u32 pci_pmr;
 	int i, err;
+	DECLARE_MAC_BUF(mac);
 
 	DMFE_DBUG(0, "dmfe_init_one()", 0);
 
@@ -470,13 +471,13 @@
 	if (err)
 		goto err_out_res;
 
-	printk(KERN_INFO "%s: Davicom DM%04lx at pci%s,",
-		dev->name,
-		ent->driver_data >> 16,
-		pci_name(pdev));
-	for (i = 0; i < 6; i++)
-		printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
-	printk(", irq %d.\n", dev->irq);
+	printk(KERN_INFO "%s: Davicom DM%04lx at pci%s, "
+	       "%s, irq %d.\n",
+	       dev->name,
+	       ent->driver_data >> 16,
+	       pci_name(pdev),
+	       print_mac(mac, dev->dev_addr),
+	       dev->irq);
 
 	pci_set_master(pdev);
 
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index 66977aa..80fee22 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -1051,12 +1051,11 @@
 				filterbit &= 0x3f;
 				mc_filter[filterbit >> 5] |= 1 << (filterbit & 31);
 				if (tulip_debug > 2) {
-					printk(KERN_INFO "%s: Added filter for %2.2x:%2.2x:%2.2x:"
-						   "%2.2x:%2.2x:%2.2x  %8.8x bit %d.\n", dev->name,
-						   mclist->dmi_addr[0], mclist->dmi_addr[1],
-						   mclist->dmi_addr[2], mclist->dmi_addr[3],
-						   mclist->dmi_addr[4], mclist->dmi_addr[5],
-						   ether_crc(ETH_ALEN, mclist->dmi_addr), filterbit);
+					DECLARE_MAC_BUF(mac);
+					printk(KERN_INFO "%s: Added filter for %s"
+					       "  %8.8x bit %d.\n",
+					       dev->name, print_mac(mac, mclist->dmi_addr),
+					       ether_crc(ETH_ALEN, mclist->dmi_addr), filterbit);
 				}
 			}
 			if (mc_filter[0] == tp->mc_filter[0]  &&
@@ -1256,6 +1255,7 @@
 	const char *chip_name = tulip_tbl[chip_idx].chip_name;
 	unsigned int eeprom_missing = 0;
 	unsigned int force_csr0 = 0;
+	DECLARE_MAC_BUF(mac);
 
 #ifndef MODULE
 	static int did_version;		/* Already printed version info. */
@@ -1639,8 +1639,7 @@
 
 	if (eeprom_missing)
 		printk(" EEPROM not present,");
-	for (i = 0; i < 6; i++)
-		printk("%c%2.2X", i ? ':' : ' ', dev->dev_addr[i]);
+	printk(" %s", print_mac(mac, dev->dev_addr));
 	printk(", IRQ %d.\n", irq);
 
         if (tp->chip_id == PNIC2)
diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c
index 2b7257d..a4fd782 100644
--- a/drivers/net/tulip/uli526x.c
+++ b/drivers/net/tulip/uli526x.c
@@ -258,6 +258,7 @@
 	struct uli526x_board_info *db;	/* board information structure */
 	struct net_device *dev;
 	int i, err;
+	DECLARE_MAC_BUF(mac);
 
 	ULI526X_DBUG(0, "uli526x_init_one()", 0);
 
@@ -372,11 +373,9 @@
 	if (err)
 		goto err_out_res;
 
-	printk(KERN_INFO "%s: ULi M%04lx at pci%s,",dev->name,ent->driver_data >> 16,pci_name(pdev));
-
-	for (i = 0; i < 6; i++)
-		printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
-	printk(", irq %d.\n", dev->irq);
+	printk(KERN_INFO "%s: ULi M%04lx at pci%s, %s, irq %d.\n",
+	       dev->name,ent->driver_data >> 16,pci_name(pdev),
+	       print_mac(mac, dev->dev_addr), dev->irq);
 
 	pci_set_master(pdev);
 
diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c
index e00833f..3c40dd6 100644
--- a/drivers/net/tulip/winbond-840.c
+++ b/drivers/net/tulip/winbond-840.c
@@ -354,6 +354,7 @@
 	int irq;
 	int i, option = find_cnt < MAX_UNITS ? options[find_cnt] : 0;
 	void __iomem *ioaddr;
+	DECLARE_MAC_BUF(mac);
 
 	i = pci_enable_device(pdev);
 	if (i) return i;
@@ -433,11 +434,9 @@
 	if (i)
 		goto err_out_cleardev;
 
-	printk(KERN_INFO "%s: %s at %p, ",
-		   dev->name, pci_id_tbl[chip_idx].name, ioaddr);
-	for (i = 0; i < 5; i++)
-			printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], irq);
+	printk(KERN_INFO "%s: %s at %p, %s, IRQ %d.\n",
+	       dev->name, pci_id_tbl[chip_idx].name, ioaddr,
+	       print_mac(mac, dev->dev_addr), irq);
 
 	if (np->drv_flags & CanHaveMII) {
 		int phy, phy_idx = 0;
@@ -1245,16 +1244,16 @@
 			}
 #ifndef final_version				/* Remove after testing. */
 			/* You will want this info for the initial debug. */
-			if (debug > 5)
-				printk(KERN_DEBUG "  Rx data %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:"
-					   "%2.2x %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x %2.2x%2.2x "
-					   "%d.%d.%d.%d.\n",
-					   skb->data[0], skb->data[1], skb->data[2], skb->data[3],
-					   skb->data[4], skb->data[5], skb->data[6], skb->data[7],
-					   skb->data[8], skb->data[9], skb->data[10],
-					   skb->data[11], skb->data[12], skb->data[13],
-					   skb->data[14], skb->data[15], skb->data[16],
-					   skb->data[17]);
+			if (debug > 5) {
+				DECLARE_MAC_BUF(mac);
+				DECLARE_MAC_BUF(mac2);
+
+				printk(KERN_DEBUG "  Rx data %s %s"
+				       " %2.2x%2.2x %d.%d.%d.%d.\n",
+				       print_mac(mac, &skb->data[0]), print_mac(mac2, &skb->data[6]),
+				       skb->data[12], skb->data[13],
+				       skb->data[14], skb->data[15], skb->data[16], skb->data[17]);
+			}
 #endif
 			skb->protocol = eth_type_trans(skb, dev);
 			netif_rx(skb);
diff --git a/drivers/net/tulip/xircom_cb.c b/drivers/net/tulip/xircom_cb.c
index de8c920..70befe3 100644
--- a/drivers/net/tulip/xircom_cb.c
+++ b/drivers/net/tulip/xircom_cb.c
@@ -1074,6 +1074,7 @@
 	unsigned char j, tuple, link, data_id, data_count;
 	unsigned long flags;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	enter("read_mac_address");
 
@@ -1103,11 +1104,7 @@
 		}
 	}
 	spin_unlock_irqrestore(&card->lock, flags);
-#ifdef DEBUG
-	for (i = 0; i < 6; i++)
-		printk("%c%2.2X", i ? ':' : ' ', card->dev->dev_addr[i]);
-	printk("\n");
-#endif
+	pr_debug(" %s\n", print_mac(mac, card->dev->dev_addr));
 	leave("read_mac_address");
 }
 
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index d8b8e68..1f76446 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -159,16 +159,15 @@
 	struct tun_struct *tun = netdev_priv(dev);
 	const struct dev_mc_list *mclist;
 	int i;
+	DECLARE_MAC_BUF(mac);
 	DBG(KERN_DEBUG "%s: tun_net_mclist: mc_count %d\n",
 			dev->name, dev->mc_count);
 	memset(tun->chr_filter, 0, sizeof tun->chr_filter);
 	for (i = 0, mclist = dev->mc_list; i < dev->mc_count && mclist != NULL;
 			i++, mclist = mclist->next) {
 		add_multi(tun->net_filter, mclist->dmi_addr);
-		DBG(KERN_DEBUG "%s: tun_net_mclist: %x:%x:%x:%x:%x:%x\n",
-				dev->name,
-				mclist->dmi_addr[0], mclist->dmi_addr[1], mclist->dmi_addr[2],
-				mclist->dmi_addr[3], mclist->dmi_addr[4], mclist->dmi_addr[5]);
+		DBG(KERN_DEBUG "%s: tun_net_mclist: %s\n",
+		    dev->name, print_mac(mac, mclist->dmi_addr));
 	}
 }
 
@@ -358,6 +357,7 @@
 	DECLARE_WAITQUEUE(wait, current);
 	struct sk_buff *skb;
 	ssize_t len, ret = 0;
+	DECLARE_MAC_BUF(mac);
 
 	if (!tun)
 		return -EBADFD;
@@ -412,16 +412,14 @@
 				  (addr[0] == 0x33 && addr[1] == 0x33)) &&
 				 ((tun->if_flags & IFF_ALLMULTI) ||
 				  (tun->chr_filter[bit_nr >> 5] & (1 << (bit_nr & 31)))))) {
-			DBG(KERN_DEBUG "%s: tun_chr_readv: accepted: %x:%x:%x:%x:%x:%x\n",
-					tun->dev->name, addr[0], addr[1], addr[2],
-					addr[3], addr[4], addr[5]);
+			DBG(KERN_DEBUG "%s: tun_chr_readv: accepted: %s\n",
+					tun->dev->name, print_mac(mac, addr));
 			ret = tun_put_user(tun, skb, (struct iovec *) iv, len);
 			kfree_skb(skb);
 			break;
 		} else {
-			DBG(KERN_DEBUG "%s: tun_chr_readv: rejected: %x:%x:%x:%x:%x:%x\n",
-					tun->dev->name, addr[0], addr[1], addr[2],
-					addr[3], addr[4], addr[5]);
+			DBG(KERN_DEBUG "%s: tun_chr_readv: rejected: %s\n",
+					tun->dev->name, print_mac(mac, addr));
 			kfree_skb(skb);
 			continue;
 		}
@@ -564,6 +562,7 @@
 	struct tun_struct *tun = file->private_data;
 	void __user* argp = (void __user*)arg;
 	struct ifreq ifr;
+	DECLARE_MAC_BUF(mac);
 
 	if (cmd == TUNSETIFF || _IOC_TYPE(cmd) == 0x89)
 		if (copy_from_user(&ifr, argp, sizeof ifr))
@@ -692,22 +691,16 @@
 		/** Add the specified group to the character device's multicast filter
 		 * list. */
 		add_multi(tun->chr_filter, ifr.ifr_hwaddr.sa_data);
-		DBG(KERN_DEBUG "%s: add multi: %x:%x:%x:%x:%x:%x\n",
-				tun->dev->name,
-				(u8)ifr.ifr_hwaddr.sa_data[0], (u8)ifr.ifr_hwaddr.sa_data[1],
-				(u8)ifr.ifr_hwaddr.sa_data[2], (u8)ifr.ifr_hwaddr.sa_data[3],
-				(u8)ifr.ifr_hwaddr.sa_data[4], (u8)ifr.ifr_hwaddr.sa_data[5]);
+		DBG(KERN_DEBUG "%s: add multi: %s\n",
+		    tun->dev->name, print_mac(mac, ifr.ifr_hwaddr.sa_data));
 		return 0;
 
 	case SIOCDELMULTI:
 		/** Remove the specified group from the character device's multicast
 		 * filter list. */
 		del_multi(tun->chr_filter, ifr.ifr_hwaddr.sa_data);
-		DBG(KERN_DEBUG "%s: del multi: %x:%x:%x:%x:%x:%x\n",
-				tun->dev->name,
-				(u8)ifr.ifr_hwaddr.sa_data[0], (u8)ifr.ifr_hwaddr.sa_data[1],
-				(u8)ifr.ifr_hwaddr.sa_data[2], (u8)ifr.ifr_hwaddr.sa_data[3],
-				(u8)ifr.ifr_hwaddr.sa_data[4], (u8)ifr.ifr_hwaddr.sa_data[5]);
+		DBG(KERN_DEBUG "%s: del multi: %s\n",
+		    tun->dev->name, print_mac(mac, ifr.ifr_hwaddr.sa_data));
 		return 0;
 
 	default:
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index c6d8513..43894e9 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -2316,8 +2316,8 @@
 	dma_addr_t shared_dma;
 	struct cmd_desc xp_cmd;
 	struct resp_desc xp_resp[3];
-	int i;
 	int err = 0;
+	DECLARE_MAC_BUF(mac);
 
 	if(!did_version++)
 		printk(KERN_INFO "%s", version);
@@ -2532,13 +2532,11 @@
 
 	pci_set_drvdata(pdev, dev);
 
-	printk(KERN_INFO "%s: %s at %s 0x%llx, ",
+	printk(KERN_INFO "%s: %s at %s 0x%llx, %s\n",
 	       dev->name, typhoon_card_info[card_id].name,
 	       use_mmio ? "MMIO" : "IO",
-	       (unsigned long long)pci_resource_start(pdev, use_mmio));
-	for(i = 0; i < 5; i++)
-		printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x\n", dev->dev_addr[i]);
+	       (unsigned long long)pci_resource_start(pdev, use_mmio),
+	       print_mac(mac, dev->dev_addr));
 
 	/* xp_resp still contains the response to the READ_VERSIONS command.
 	 * For debugging, let the user know what version he has.
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 432a2f0..d1ed68a 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -1297,6 +1297,7 @@
 	pegasus_t *pegasus;
 	int dev_index = id - pegasus_ids;
 	int res = -ENOMEM;
+	DECLARE_MAC_BUF(mac);
 
 	usb_get_dev(dev);
 	net = alloc_etherdev(sizeof(struct pegasus));
@@ -1367,12 +1368,10 @@
 	queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
 				CARRIER_CHECK_DELAY);
 
-	dev_info(&intf->dev, "%s, %s, %02x:%02x:%02x:%02x:%02x:%02x\n",
-		net->name,
-		usb_dev_id[dev_index].name,
-		net->dev_addr [0], net->dev_addr [1],
-		net->dev_addr [2], net->dev_addr [3],
-		net->dev_addr [4], net->dev_addr [5]);
+	dev_info(&intf->dev, "%s, %s, %s\n",
+		 net->name,
+		 usb_dev_id[dev_index].name,
+		 print_mac(mac, net->dev_addr));
 	return 0;
 
 out3:
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 3542ca5..acd5f1c 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1134,6 +1134,7 @@
 	struct usb_device		*xdev;
 	int				status;
 	const char			*name;
+	DECLARE_MAC_BUF(mac);
 
 	name = udev->dev.driver->name;
 	info = (struct driver_info *) prod->driver_info;
@@ -1241,14 +1242,11 @@
 	if (status)
 		goto out3;
 	if (netif_msg_probe (dev))
-		devinfo (dev, "register '%s' at usb-%s-%s, %s, "
-				"%02x:%02x:%02x:%02x:%02x:%02x",
+		devinfo (dev, "register '%s' at usb-%s-%s, %s, %s",
 			udev->dev.driver->name,
 			xdev->bus->bus_name, xdev->devpath,
 			dev->driver_info->description,
-			net->dev_addr [0], net->dev_addr [1],
-			net->dev_addr [2], net->dev_addr [3],
-			net->dev_addr [4], net->dev_addr [5]);
+			print_mac(mac, net->dev_addr));
 
 	// ok, it's ready to go.
 	usb_set_intfdata (udev, dev);
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index d55c4fd..9669bce 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -638,6 +638,7 @@
 #else
 	int bar = 0;
 #endif
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -794,18 +795,14 @@
 	if (rc)
 		goto err_out_unmap;
 
-	printk(KERN_INFO "%s: VIA %s at 0x%lx, ",
+	printk(KERN_INFO "%s: VIA %s at 0x%lx, %s, IRQ %d.\n",
 	       dev->name, name,
 #ifdef USE_MMIO
-		memaddr
+	       memaddr,
 #else
-		(long)ioaddr
+	       (long)ioaddr,
 #endif
-		 );
-
-	for (i = 0; i < 5; i++)
-		printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], pdev->irq);
+	       print_mac(mac, dev->dev_addr), pdev->irq);
 
 	pci_set_drvdata(pdev, dev);
 
diff --git a/drivers/net/wd.c b/drivers/net/wd.c
index cef3658..fa14255 100644
--- a/drivers/net/wd.c
+++ b/drivers/net/wd.c
@@ -156,6 +156,7 @@
 	int word16 = 0;				/* 0 = 8 bit, 1 = 16 bit */
 	const char *model_name;
 	static unsigned version_printed;
+	DECLARE_MAC_BUF(mac);
 
 	for (i = 0; i < 8; i++)
 		checksum += inb(ioaddr + 8 + i);
@@ -174,9 +175,11 @@
 	if (ei_debug  &&  version_printed++ == 0)
 		printk(version);
 
-	printk("%s: WD80x3 at %#3x,", dev->name, ioaddr);
 	for (i = 0; i < 6; i++)
-		printk(" %2.2X", dev->dev_addr[i] = inb(ioaddr + 8 + i));
+		dev->dev_addr[i] = inb(ioaddr + 8 + i);
+
+	printk("%s: WD80x3 at %#3x, %s",
+	       dev->name, ioaddr, print_mac(mac, dev->dev_addr));
 
 	/* The following PureData probe code was contributed by
 	   Mike Jagdis <jaggy@purplet.demon.co.uk>. Puredata does software
diff --git a/drivers/net/wireless/adm8211.c b/drivers/net/wireless/adm8211.c
index eec01fc..ac2ea23 100644
--- a/drivers/net/wireless/adm8211.c
+++ b/drivers/net/wireless/adm8211.c
@@ -1787,6 +1787,7 @@
 	int err;
 	u32 reg;
 	u8 perm_addr[ETH_ALEN];
+	DECLARE_MAC_BUF(mac);
 
 #ifndef MODULE
 	static unsigned int cardidx;
@@ -1938,8 +1939,8 @@
 		goto err_free_desc;
 	}
 
-	printk(KERN_INFO "%s: hwaddr " MAC_FMT ", Rev 0x%02x\n",
-	       wiphy_name(dev->wiphy), MAC_ARG(dev->wiphy->perm_addr),
+	printk(KERN_INFO "%s: hwaddr %s, Rev 0x%02x\n",
+	       wiphy_name(dev->wiphy), print_mac(mac, dev->wiphy->perm_addr),
 	       priv->revid);
 
 	return 0;
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 7d717c4..95d3cd1 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2821,6 +2821,7 @@
 	struct net_device *dev;
 	struct airo_info *ai;
 	int i, rc;
+	DECLARE_MAC_BUF(mac);
 
 	/* Create the network device object. */
 	dev = alloc_netdev(sizeof(*ai), "", ether_setup);
@@ -2923,9 +2924,8 @@
 		goto err_out_reg;
 
 	set_bit(FLAG_REGISTERED,&ai->flags);
-	airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
-		dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-		dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
+	airo_print_info(dev->name, "MAC enabled %s",
+			print_mac(mac, dev->dev_addr));
 
 	/* Allocate the transmit buffers */
 	if (probe && !test_bit(FLAG_MPI,&ai->flags))
@@ -2982,6 +2982,7 @@
 {
 	int i;
 	struct airo_info *ai = dev->priv;
+	DECLARE_MAC_BUF(mac);
 
 	if (reset_card (dev, 1))
 		return -1;
@@ -2990,9 +2991,8 @@
 		airo_print_err(dev->name, "MAC could not be enabled");
 		return -1;
 	}
-	airo_print_info(dev->name, "MAC enabled %x:%x:%x:%x:%x:%x",
-			dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-			dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	airo_print_info(dev->name, "MAC enabled %s",
+			print_mac(mac, dev->dev_addr));
 	/* Allocate the transmit buffers if needed */
 	if (!test_bit(FLAG_MPI,&ai->flags))
 		for( i = 0; i < MAX_FIDS; i++ )
@@ -5426,6 +5426,7 @@
 	int i;
 	char *ptr;
 	APListRid APList_rid;
+	DECLARE_MAC_BUF(mac);
 
 	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
@@ -5449,13 +5450,8 @@
 // We end when we find a zero MAC
 		if ( !*(int*)APList_rid.ap[i] &&
 		     !*(int*)&APList_rid.ap[i][2]) break;
-		ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x\n",
-			       (int)APList_rid.ap[i][0],
-			       (int)APList_rid.ap[i][1],
-			       (int)APList_rid.ap[i][2],
-			       (int)APList_rid.ap[i][3],
-			       (int)APList_rid.ap[i][4],
-			       (int)APList_rid.ap[i][5]);
+		ptr += sprintf(ptr, "%s\n",
+			       print_mac(mac, APList_rid.ap[i]));
 	}
 	if (i==0) ptr += sprintf(ptr, "Not using specific APs\n");
 
@@ -5474,6 +5470,7 @@
 	int rc;
 	/* If doLoseSync is not 1, we won't do a Lose Sync */
 	int doLoseSync = -1;
+	DECLARE_MAC_BUF(mac);
 
 	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
@@ -5510,13 +5507,8 @@
            we have to add a spin lock... */
 	rc = readBSSListRid(ai, doLoseSync, &BSSList_rid);
 	while(rc == 0 && BSSList_rid.index != 0xffff) {
-		ptr += sprintf(ptr, "%02x:%02x:%02x:%02x:%02x:%02x %*s rssi = %d",
-				(int)BSSList_rid.bssid[0],
-				(int)BSSList_rid.bssid[1],
-				(int)BSSList_rid.bssid[2],
-				(int)BSSList_rid.bssid[3],
-				(int)BSSList_rid.bssid[4],
-				(int)BSSList_rid.bssid[5],
+		ptr += sprintf(ptr, "%s %*s rssi = %d",
+			       print_mac(mac, BSSList_rid.bssid),
 				(int)BSSList_rid.ssidLen,
 				BSSList_rid.ssid,
 				(int)BSSList_rid.dBm);
diff --git a/drivers/net/wireless/arlan-main.c b/drivers/net/wireless/arlan-main.c
index 3eaaab0..dbdfc9e 100644
--- a/drivers/net/wireless/arlan-main.c
+++ b/drivers/net/wireless/arlan-main.c
@@ -1469,10 +1469,10 @@
 					while (dmi)
 					{							if (dmi->dmi_addrlen == 6)
 						{
+							DECLARE_MAC_BUF(mac);
 							if (arlan_debug & ARLAN_DEBUG_HEADER_DUMP)
-								printk(KERN_ERR "%s mcl %2x:%2x:%2x:%2x:%2x:%2x \n", dev->name,
-										 dmi->dmi_addr[0], dmi->dmi_addr[1], dmi->dmi_addr[2],
-										 dmi->dmi_addr[3], dmi->dmi_addr[4], dmi->dmi_addr[5]);
+								printk(KERN_ERR "%s mcl %s\n",
+								       dev->name, print_mac(mac, dmi->dmi_addr));
 							for (i = 0; i < 6; i++)
 								if (dmi->dmi_addr[i] != hw_dst_addr[i])
 									break;
@@ -1512,17 +1512,18 @@
 			{
 				char immedDestAddress[6];
 				char immedSrcAddress[6];
+				DECLARE_MAC_BUF(mac);
+				DECLARE_MAC_BUF(mac2);
+				DECLARE_MAC_BUF(mac3);
+				DECLARE_MAC_BUF(mac4);
 				memcpy_fromio(immedDestAddress, arlan->immedDestAddress, 6);
 				memcpy_fromio(immedSrcAddress, arlan->immedSrcAddress, 6);
 
-				printk(KERN_WARNING "%s t %2x:%2x:%2x:%2x:%2x:%2x f %2x:%2x:%2x:%2x:%2x:%2x imd %2x:%2x:%2x:%2x:%2x:%2x ims %2x:%2x:%2x:%2x:%2x:%2x\n", dev->name,
-					(unsigned char) skbtmp[0], (unsigned char) skbtmp[1], (unsigned char) skbtmp[2], (unsigned char) skbtmp[3],
-					(unsigned char) skbtmp[4], (unsigned char) skbtmp[5], (unsigned char) skbtmp[6], (unsigned char) skbtmp[7],
-					(unsigned char) skbtmp[8], (unsigned char) skbtmp[9], (unsigned char) skbtmp[10], (unsigned char) skbtmp[11],
-					immedDestAddress[0], immedDestAddress[1], immedDestAddress[2],
-					immedDestAddress[3], immedDestAddress[4], immedDestAddress[5],
-					immedSrcAddress[0], immedSrcAddress[1], immedSrcAddress[2],
-					immedSrcAddress[3], immedSrcAddress[4], immedSrcAddress[5]);
+				printk(KERN_WARNING "%s t %s f %s imd %s ims %s\n",
+				       dev->name, print_mac(mac, skbtmp),
+				       print_mac(mac2, &skbtmp[6]),
+				       print_mac(mac3, immedDestAddress),
+				       print_mac(mac4, immedSrcAddress));
 			}
 			skb->protocol = eth_type_trans(skb, dev);
 			IFDEBUG(ARLAN_DEBUG_HEADER_DUMP)
diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index 47dbdf9..059ce3f 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -1484,6 +1484,7 @@
 	struct net_device *dev;
 	struct atmel_private *priv;
 	int rc;
+	DECLARE_MAC_BUF(mac);
 
 	/* Create the network device object. */
         dev = alloc_etherdev(sizeof(*priv));
@@ -1598,10 +1599,8 @@
 	if (!ent)
 		printk(KERN_WARNING "atmel: unable to create /proc entry.\n");
 
-	printk(KERN_INFO "%s: Atmel at76c50x. Version %d.%d. MAC %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
-	       dev->name, DRIVER_MAJOR, DRIVER_MINOR,
-	       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-	       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5] );
+	printk(KERN_INFO "%s: Atmel at76c50x. Version %d.%d. MAC %s\n",
+	       dev->name, DRIVER_MAJOR, DRIVER_MINOR, print_mac(mac, dev->dev_addr));
 
 	return dev;
 
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 184ebe3..fd4ef27 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2883,6 +2883,7 @@
 	u8 algorithm;
 	u8 index;
 	int err = -EINVAL;
+	DECLARE_MAC_BUF(mac);
 
 	if (modparam_nohwcrypt)
 		return -ENOSPC; /* User disabled HW-crypto */
@@ -2969,9 +2970,9 @@
 out:
 	if (!err) {
 		b43dbg(wl, "%s hardware based encryption for keyidx: %d, "
-		       "mac: " MAC_FMT "\n",
+		       "mac: %s\n",
 		       cmd == SET_KEY ? "Using" : "Disabling", key->keyidx,
-		       MAC_ARG(addr));
+		       print_mac(mac, addr));
 	}
 	return err;
 }
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index ac4831a..61b9421 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -2679,6 +2679,7 @@
 	struct b43legacy_wldev *dev = wl->current_dev;
 	unsigned long flags;
 	int err = -EOPNOTSUPP;
+	DECLARE_MAC_BUF(mac);
 
 	if (!dev)
 		return -ENODEV;
@@ -2691,7 +2692,7 @@
 	spin_unlock_irqrestore(&wl->irq_lock, flags);
 	mutex_unlock(&wl->mutex);
 	b43legacydbg(wl, "Using software based encryption for "
-	       "mac: " MAC_FMT "\n", MAC_ARG(addr));
+		     "mac: %s\n", print_mac(mac, addr));
 	return err;
 }
 
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h
index 10e07e8..5fdbf24 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx.h
+++ b/drivers/net/wireless/bcm43xx/bcm43xx.h
@@ -994,10 +994,4 @@
 	 	__value;				\
 	})
 
-/** Helpers to print MAC addresses. */
-#define BCM43xx_MACFMT		"%02x:%02x:%02x:%02x:%02x:%02x"
-#define BCM43xx_MACARG(x)	((u8*)(x))[0], ((u8*)(x))[1], \
-				((u8*)(x))[2], ((u8*)(x))[3], \
-				((u8*)(x))[4], ((u8*)(x))[5]
-
 #endif /* BCM43xx_H_ */
diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c
index cbedc9e..ef084df 100644
--- a/drivers/net/wireless/hostap/hostap_80211_rx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_rx.c
@@ -19,6 +19,7 @@
 {
 	struct ieee80211_hdr_4addr *hdr;
 	u16 fc;
+	DECLARE_MAC_BUF(mac);
 
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
 
@@ -44,10 +45,11 @@
 	printk(" dur=0x%04x seq=0x%04x\n", le16_to_cpu(hdr->duration_id),
 	       le16_to_cpu(hdr->seq_ctl));
 
-	printk(KERN_DEBUG "   A1=" MACSTR " A2=" MACSTR " A3=" MACSTR,
-	       MAC2STR(hdr->addr1), MAC2STR(hdr->addr2), MAC2STR(hdr->addr3));
+	printk(KERN_DEBUG "   A1=%s", print_mac(mac, hdr->addr1));
+	printk(" A2=%s", print_mac(mac, hdr->addr2));
+	printk(" A3=%s", print_mac(mac, hdr->addr3));
 	if (skb->len >= 30)
-		printk(" A4=" MACSTR, MAC2STR(hdr->addr4));
+		printk(" A4=%s", print_mac(mac, hdr->addr4));
 	printk("\n");
 }
 
@@ -534,6 +536,7 @@
 hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr_4addr *hdr,
 		    u16 fc, struct net_device **wds)
 {
+	DECLARE_MAC_BUF(mac);
 	/* FIX: is this really supposed to accept WDS frames only in Master
 	 * mode? What about Repeater or Managed with WDS frames? */
 	if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) !=
@@ -549,10 +552,10 @@
 	     hdr->addr1[4] != 0xff || hdr->addr1[5] != 0xff)) {
 		/* RA (or BSSID) is not ours - drop */
 		PDEBUG(DEBUG_EXTRA, "%s: received WDS frame with "
-		       "not own or broadcast %s=" MACSTR "\n",
+		       "not own or broadcast %s=%s\n",
 		       local->dev->name,
 		       fc & IEEE80211_FCTL_FROMDS ? "RA" : "BSSID",
-		       MAC2STR(hdr->addr1));
+		       print_mac(mac, hdr->addr1));
 		return -1;
 	}
 
@@ -565,8 +568,8 @@
 		/* require that WDS link has been registered with TA or the
 		 * frame is from current AP when using 'AP client mode' */
 		PDEBUG(DEBUG_EXTRA, "%s: received WDS[4 addr] frame "
-		       "from unknown TA=" MACSTR "\n",
-		       local->dev->name, MAC2STR(hdr->addr2));
+		       "from unknown TA=%s\n",
+		       local->dev->name, print_mac(mac, hdr->addr2));
 		if (local->ap && local->ap->autom_ap_wds)
 			hostap_wds_link_oper(local, hdr->addr2, WDS_ADD);
 		return -1;
@@ -632,6 +635,7 @@
 {
 	struct ieee80211_hdr_4addr *hdr;
 	int res, hdrlen;
+	DECLARE_MAC_BUF(mac);
 
 	if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL)
 		return 0;
@@ -643,8 +647,8 @@
 	    strcmp(crypt->ops->name, "TKIP") == 0) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "received packet from " MACSTR "\n",
-			       local->dev->name, MAC2STR(hdr->addr2));
+			       "received packet from %s\n",
+			       local->dev->name, print_mac(mac, hdr->addr2));
 		}
 		return -1;
 	}
@@ -653,9 +657,9 @@
 	res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv);
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
-		printk(KERN_DEBUG "%s: decryption failed (SA=" MACSTR
+		printk(KERN_DEBUG "%s: decryption failed (SA=%s"
 		       ") res=%d\n",
-		       local->dev->name, MAC2STR(hdr->addr2), res);
+		       local->dev->name, print_mac(mac, hdr->addr2), res);
 		local->comm_tallies.rx_discards_wep_undecryptable++;
 		return -1;
 	}
@@ -671,6 +675,7 @@
 {
 	struct ieee80211_hdr_4addr *hdr;
 	int res, hdrlen;
+	DECLARE_MAC_BUF(mac);
 
 	if (crypt == NULL || crypt->ops->decrypt_msdu == NULL)
 		return 0;
@@ -683,8 +688,8 @@
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed"
-		       " (SA=" MACSTR " keyidx=%d)\n",
-		       local->dev->name, MAC2STR(hdr->addr2), keyidx);
+		       " (SA=%s keyidx=%d)\n",
+		       local->dev->name, print_mac(mac, hdr->addr2), keyidx);
 		return -1;
 	}
 
@@ -716,6 +721,7 @@
 	struct ieee80211_crypt_data *crypt = NULL;
 	void *sta = NULL;
 	int keyidx = 0;
+	DECLARE_MAC_BUF(mac);
 
 	iface = netdev_priv(dev);
 	local = iface->local;
@@ -792,8 +798,8 @@
 			 * frames silently instead of filling system log with
 			 * these reports. */
 			printk(KERN_DEBUG "%s: WEP decryption failed (not set)"
-			       " (SA=" MACSTR ")\n",
-			       local->dev->name, MAC2STR(hdr->addr2));
+			       " (SA=%s)\n",
+			       local->dev->name, print_mac(mac, hdr->addr2));
 #endif
 			local->comm_tallies.rx_discards_wep_undecryptable++;
 			goto rx_dropped;
@@ -807,8 +813,8 @@
 		    (keyidx = hostap_rx_frame_decrypt(local, skb, crypt)) < 0)
 		{
 			printk(KERN_DEBUG "%s: failed to decrypt mgmt::auth "
-			       "from " MACSTR "\n", dev->name,
-			       MAC2STR(hdr->addr2));
+			       "from %s\n", dev->name,
+			       print_mac(mac, hdr->addr2));
 			/* TODO: could inform hostapd about this so that it
 			 * could send auth failure report */
 			goto rx_dropped;
@@ -976,8 +982,8 @@
 			       "unencrypted EAPOL frame\n", local->dev->name);
 		} else {
 			printk(KERN_DEBUG "%s: encryption configured, but RX "
-			       "frame not encrypted (SA=" MACSTR ")\n",
-			       local->dev->name, MAC2STR(hdr->addr2));
+			       "frame not encrypted (SA=%s)\n",
+			       local->dev->name, print_mac(mac, hdr->addr2));
 			goto rx_dropped;
 		}
 	}
@@ -986,8 +992,9 @@
 	    !hostap_is_eapol_frame(local, skb)) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: dropped unencrypted RX data "
-			       "frame from " MACSTR " (drop_unencrypted=1)\n",
-			       dev->name, MAC2STR(hdr->addr2));
+			       "frame from %s"
+			       " (drop_unencrypted=1)\n",
+			       dev->name, print_mac(mac, hdr->addr2));
 		}
 		goto rx_dropped;
 	}
diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c
index 3df3c60..e7afc3e 100644
--- a/drivers/net/wireless/hostap/hostap_80211_tx.c
+++ b/drivers/net/wireless/hostap/hostap_80211_tx.c
@@ -17,6 +17,7 @@
 {
 	struct ieee80211_hdr_4addr *hdr;
 	u16 fc;
+	DECLARE_MAC_BUF(mac);
 
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
 
@@ -40,10 +41,11 @@
 	printk(" dur=0x%04x seq=0x%04x\n", le16_to_cpu(hdr->duration_id),
 	       le16_to_cpu(hdr->seq_ctl));
 
-	printk(KERN_DEBUG "   A1=" MACSTR " A2=" MACSTR " A3=" MACSTR,
-	       MAC2STR(hdr->addr1), MAC2STR(hdr->addr2), MAC2STR(hdr->addr3));
+	printk(KERN_DEBUG "   A1=%s", print_mac(mac, hdr->addr1));
+	printk(" A2=%s", print_mac(mac, hdr->addr2));
+	printk(" A3=%s", print_mac(mac, hdr->addr3));
 	if (skb->len >= 30)
-		printk(" A4=" MACSTR, MAC2STR(hdr->addr4));
+		printk(" A4=%s", print_mac(mac, hdr->addr4));
 	printk("\n");
 }
 
@@ -312,6 +314,7 @@
 	struct ieee80211_hdr_4addr *hdr;
 	u16 fc;
 	int prefix_len, postfix_len, hdr_len, res;
+	DECLARE_MAC_BUF(mac);
 
 	iface = netdev_priv(skb->dev);
 	local = iface->local;
@@ -326,8 +329,8 @@
 		hdr = (struct ieee80211_hdr_4addr *) skb->data;
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "TX packet to " MACSTR "\n",
-			       local->dev->name, MAC2STR(hdr->addr1));
+			       "TX packet to %s\n",
+			       local->dev->name, print_mac(mac, hdr->addr1));
 		}
 		kfree_skb(skb);
 		return NULL;
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index 9090052..6bbdb76 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -94,6 +94,7 @@
 static void ap_sta_hash_del(struct ap_data *ap, struct sta_info *sta)
 {
 	struct sta_info *s;
+	DECLARE_MAC_BUF(mac);
 
 	s = ap->sta_hash[STA_HASH(sta->addr)];
 	if (s == NULL) return;
@@ -108,18 +109,20 @@
 	if (s->hnext != NULL)
 		s->hnext = s->hnext->hnext;
 	else
-		printk("AP: could not remove STA " MACSTR " from hash table\n",
-		       MAC2STR(sta->addr));
+		printk("AP: could not remove STA %s"
+		       " from hash table\n",
+		       print_mac(mac, sta->addr));
 }
 
 static void ap_free_sta(struct ap_data *ap, struct sta_info *sta)
 {
+	DECLARE_MAC_BUF(mac);
 	if (sta->ap && sta->local)
 		hostap_event_expired_sta(sta->local->dev, sta);
 
 	if (ap->proc != NULL) {
 		char name[20];
-		sprintf(name, MACSTR, MAC2STR(sta->addr));
+		sprintf(name, "%s", print_mac(mac, sta->addr));
 		remove_proc_entry(name, ap->proc);
 	}
 
@@ -182,6 +185,7 @@
 	struct ap_data *ap;
 	unsigned long next_time = 0;
 	int was_assoc;
+	DECLARE_MAC_BUF(mac);
 
 	if (sta == NULL || sta->local == NULL || sta->local->ap == NULL) {
 		PDEBUG(DEBUG_AP, "ap_handle_timer() called with NULL data\n");
@@ -238,8 +242,8 @@
 	if (sta->ap) {
 		if (ap->autom_ap_wds) {
 			PDEBUG(DEBUG_AP, "%s: removing automatic WDS "
-			       "connection to AP " MACSTR "\n",
-			       local->dev->name, MAC2STR(sta->addr));
+			       "connection to AP %s\n",
+			       local->dev->name, print_mac(mac, sta->addr));
 			hostap_wds_link_oper(local, sta->addr, WDS_DEL);
 		}
 	} else if (sta->timeout_next == STA_NULLFUNC) {
@@ -255,11 +259,11 @@
 	} else {
 		int deauth = sta->timeout_next == STA_DEAUTH;
 		u16 resp;
-		PDEBUG(DEBUG_AP, "%s: sending %s info to STA " MACSTR
+		PDEBUG(DEBUG_AP, "%s: sending %s info to STA %s"
 		       "(last=%lu, jiffies=%lu)\n",
 		       local->dev->name,
 		       deauth ? "deauthentication" : "disassociation",
-		       MAC2STR(sta->addr), sta->last_rx, jiffies);
+		       print_mac(mac, sta->addr), sta->last_rx, jiffies);
 
 		resp = cpu_to_le16(deauth ? WLAN_REASON_PREV_AUTH_NOT_VALID :
 				   WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
@@ -271,9 +275,10 @@
 
 	if (sta->timeout_next == STA_DEAUTH) {
 		if (sta->flags & WLAN_STA_PERM) {
-			PDEBUG(DEBUG_AP, "%s: STA " MACSTR " would have been "
-			       "removed, but it has 'perm' flag\n",
-			       local->dev->name, MAC2STR(sta->addr));
+			PDEBUG(DEBUG_AP, "%s: STA %s"
+			       " would have been removed, "
+			       "but it has 'perm' flag\n",
+			       local->dev->name, print_mac(mac, sta->addr));
 		} else
 			ap_free_sta(ap, sta);
 		return;
@@ -327,6 +332,7 @@
 	struct ap_data *ap = (struct ap_data *) data;
 	char *policy_txt;
 	struct mac_entry *entry;
+	DECLARE_MAC_BUF(mac);
 
 	if (off != 0) {
 		*eof = 1;
@@ -357,7 +363,7 @@
 			break;
 		}
 
-		p += sprintf(p, MACSTR "\n", MAC2STR(entry->addr));
+		p += sprintf(p, "%s\n", print_mac(mac, entry->addr));
 	}
 	spin_unlock_bh(&ap->mac_restrictions.lock);
 
@@ -514,6 +520,7 @@
 	struct ap_data *ap = (struct ap_data *) data;
 	struct sta_info *sta;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	if (off > PROC_LIMIT) {
 		*eof = 1;
@@ -526,7 +533,8 @@
 		if (!sta->ap)
 			continue;
 
-		p += sprintf(p, MACSTR " %d %d %d %d '", MAC2STR(sta->addr),
+		p += sprintf(p, "%s %d %d %d %d '",
+			     print_mac(mac, sta->addr),
 			     sta->u.ap.channel, sta->last_rx_signal,
 			     sta->last_rx_silence, sta->last_rx_rate);
 		for (i = 0; i < sta->u.ap.ssid_len; i++)
@@ -623,6 +631,7 @@
 	u16 fc, *pos, auth_alg, auth_transaction, status;
 	struct sta_info *sta = NULL;
 	char *txt = NULL;
+	DECLARE_MAC_BUF(mac);
 
 	if (ap->local->hostapd) {
 		dev_kfree_skb(skb);
@@ -674,9 +683,9 @@
 	if (sta)
 		atomic_dec(&sta->users);
 	if (txt) {
-		PDEBUG(DEBUG_AP, "%s: " MACSTR " auth_cb - alg=%d trans#=%d "
-		       "status=%d - %s\n",
-		       dev->name, MAC2STR(hdr->addr1), auth_alg,
+		PDEBUG(DEBUG_AP, "%s: %s auth_cb - alg=%d "
+		       "trans#=%d status=%d - %s\n",
+		       dev->name, print_mac(mac, hdr->addr1), auth_alg,
 		       auth_transaction, status, txt);
 	}
 	dev_kfree_skb(skb);
@@ -692,6 +701,7 @@
 	u16 fc, *pos, status;
 	struct sta_info *sta = NULL;
 	char *txt = NULL;
+	DECLARE_MAC_BUF(mac);
 
 	if (ap->local->hostapd) {
 		dev_kfree_skb(skb);
@@ -742,8 +752,8 @@
 	if (sta)
 		atomic_dec(&sta->users);
 	if (txt) {
-		PDEBUG(DEBUG_AP, "%s: " MACSTR " assoc_cb - %s\n",
-		       dev->name, MAC2STR(hdr->addr1), txt);
+		PDEBUG(DEBUG_AP, "%s: %s assoc_cb - %s\n",
+		       dev->name, print_mac(mac, hdr->addr1), txt);
 	}
 	dev_kfree_skb(skb);
 }
@@ -755,6 +765,7 @@
 	struct ap_data *ap = data;
 	struct ieee80211_hdr_4addr *hdr;
 	struct sta_info *sta;
+	DECLARE_MAC_BUF(mac);
 
 	if (skb->len < 24)
 		goto fail;
@@ -766,9 +777,9 @@
 			sta->flags &= ~WLAN_STA_PENDING_POLL;
 		spin_unlock(&ap->sta_table_lock);
 	} else {
-		PDEBUG(DEBUG_AP, "%s: STA " MACSTR " did not ACK activity "
-		       "poll frame\n", ap->local->dev->name,
-		       MAC2STR(hdr->addr1));
+		PDEBUG(DEBUG_AP, "%s: STA %s"
+		       " did not ACK activity poll frame\n",
+		       ap->local->dev->name, print_mac(mac, hdr->addr1));
 	}
 
  fail:
@@ -985,6 +996,7 @@
 	char *p = page;
 	struct sta_info *sta = (struct sta_info *) data;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	/* FIX: possible race condition.. the STA data could have just expired,
 	 * but proc entry was still here so that the read could have started;
@@ -995,11 +1007,11 @@
 		return 0;
 	}
 
-	p += sprintf(p, "%s=" MACSTR "\nusers=%d\naid=%d\n"
+	p += sprintf(p, "%s=%s\nusers=%d\naid=%d\n"
 		     "flags=0x%04x%s%s%s%s%s%s%s\n"
 		     "capability=0x%02x\nlisten_interval=%d\nsupported_rates=",
 		     sta->ap ? "AP" : "STA",
-		     MAC2STR(sta->addr), atomic_read(&sta->users), sta->aid,
+		     print_mac(mac, sta->addr), atomic_read(&sta->users), sta->aid,
 		     sta->flags,
 		     sta->flags & WLAN_STA_AUTH ? " AUTH" : "",
 		     sta->flags & WLAN_STA_ASSOC ? " ASSOC" : "",
@@ -1060,6 +1072,7 @@
 	struct sta_info *sta;
 	char name[20];
 	struct add_sta_proc_data *entry, *prev;
+	DECLARE_MAC_BUF(mac);
 
 	entry = ap->add_sta_proc_entries;
 	ap->add_sta_proc_entries = NULL;
@@ -1072,7 +1085,7 @@
 		spin_unlock_bh(&ap->sta_table_lock);
 
 		if (sta) {
-			sprintf(name, MACSTR, MAC2STR(sta->addr));
+			sprintf(name, "%s", print_mac(mac, sta->addr));
 			sta->proc = create_proc_read_entry(
 				name, 0, ap->proc,
 				prism2_sta_proc_read, sta);
@@ -1290,6 +1303,7 @@
 	struct sta_info *sta = NULL;
 	struct ieee80211_crypt_data *crypt;
 	char *txt = "";
+	DECLARE_MAC_BUF(mac);
 
 	len = skb->len - IEEE80211_MGMT_HDR_LEN;
 
@@ -1298,8 +1312,8 @@
 
 	if (len < 6) {
 		PDEBUG(DEBUG_AP, "%s: handle_authen - too short payload "
-		       "(len=%d) from " MACSTR "\n", dev->name, len,
-		       MAC2STR(hdr->addr2));
+		       "(len=%d) from %s\n", dev->name, len,
+		       print_mac(mac, hdr->addr2));
 		return;
 	}
 
@@ -1364,8 +1378,8 @@
 		if (time_after(jiffies, sta->u.ap.last_beacon +
 			       (10 * sta->listen_interval * HZ) / 1024)) {
 			PDEBUG(DEBUG_AP, "%s: no beacons received for a while,"
-			       " assuming AP " MACSTR " is now STA\n",
-			       dev->name, MAC2STR(sta->addr));
+			       " assuming AP %s is now STA\n",
+			       dev->name, print_mac(mac, sta->addr));
 			sta->ap = 0;
 			sta->flags = 0;
 			sta->u.sta.challenge = NULL;
@@ -1480,9 +1494,9 @@
 	}
 
 	if (resp) {
-		PDEBUG(DEBUG_AP, "%s: " MACSTR " auth (alg=%d trans#=%d "
-		       "stat=%d len=%d fc=%04x) ==> %d (%s)\n",
-		       dev->name, MAC2STR(hdr->addr2), auth_alg,
+		PDEBUG(DEBUG_AP, "%s: %s auth (alg=%d "
+		       "trans#=%d stat=%d len=%d fc=%04x) ==> %d (%s)\n",
+		       dev->name, print_mac(mac, hdr->addr2), auth_alg,
 		       auth_transaction, status_code, len, fc, resp, txt);
 	}
 }
@@ -1502,13 +1516,14 @@
 	int send_deauth = 0;
 	char *txt = "";
 	u8 prev_ap[ETH_ALEN];
+	DECLARE_MAC_BUF(mac);
 
 	left = len = skb->len - IEEE80211_MGMT_HDR_LEN;
 
 	if (len < (reassoc ? 10 : 4)) {
 		PDEBUG(DEBUG_AP, "%s: handle_assoc - too short payload "
-		       "(len=%d, reassoc=%d) from " MACSTR "\n",
-		       dev->name, len, reassoc, MAC2STR(hdr->addr2));
+		       "(len=%d, reassoc=%d) from %s\n",
+		       dev->name, len, reassoc, print_mac(mac, hdr->addr2));
 		return;
 	}
 
@@ -1585,9 +1600,9 @@
 		}
 
 		if (left > 0) {
-			PDEBUG(DEBUG_AP, "%s: assoc from " MACSTR " with extra"
-			       " data (%d bytes) [",
-			       dev->name, MAC2STR(hdr->addr2), left);
+			PDEBUG(DEBUG_AP, "%s: assoc from %s"
+			       " with extra data (%d bytes) [",
+			       dev->name, print_mac(mac, hdr->addr2), left);
 			while (left > 0) {
 				PDEBUG2(DEBUG_AP, "<%02x>", *u);
 				u++; left--;
@@ -1687,10 +1702,10 @@
 	}
 
 #if 0
-	PDEBUG(DEBUG_AP, "%s: " MACSTR " %sassoc (len=%d prev_ap=" MACSTR
-	       ") => %d(%d) (%s)\n",
-	       dev->name, MAC2STR(hdr->addr2), reassoc ? "re" : "", len,
-	       MAC2STR(prev_ap), resp, send_deauth, txt);
+	PDEBUG(DEBUG_AP, "%s: %s %sassoc (len=%d "
+	       "prev_ap=%s) => %d(%d) (%s)\n",
+	       dev->name, print_mac(mac, hdr->addr2), reassoc ? "re" : "", len,
+	       print_mac(mac, prev_ap), resp, send_deauth, txt);
 #endif
 }
 
@@ -1705,6 +1720,7 @@
 	int len;
 	u16 reason_code, *pos;
 	struct sta_info *sta = NULL;
+	DECLARE_MAC_BUF(mac);
 
 	len = skb->len - IEEE80211_MGMT_HDR_LEN;
 
@@ -1716,8 +1732,8 @@
 	pos = (u16 *) body;
 	reason_code = __le16_to_cpu(*pos);
 
-	PDEBUG(DEBUG_AP, "%s: deauthentication: " MACSTR " len=%d, "
-	       "reason_code=%d\n", dev->name, MAC2STR(hdr->addr2), len,
+	PDEBUG(DEBUG_AP, "%s: deauthentication: %s len=%d, "
+	       "reason_code=%d\n", dev->name, print_mac(mac, hdr->addr2), len,
 	       reason_code);
 
 	spin_lock_bh(&local->ap->sta_table_lock);
@@ -1729,9 +1745,9 @@
 	}
 	spin_unlock_bh(&local->ap->sta_table_lock);
 	if (sta == NULL) {
-		printk("%s: deauthentication from " MACSTR ", "
+		printk("%s: deauthentication from %s, "
 	       "reason_code=%d, but STA not authenticated\n", dev->name,
-		       MAC2STR(hdr->addr2), reason_code);
+		       print_mac(mac, hdr->addr2), reason_code);
 	}
 }
 
@@ -1746,6 +1762,7 @@
 	int len;
 	u16 reason_code, *pos;
 	struct sta_info *sta = NULL;
+	DECLARE_MAC_BUF(mac);
 
 	len = skb->len - IEEE80211_MGMT_HDR_LEN;
 
@@ -1757,8 +1774,8 @@
 	pos = (u16 *) body;
 	reason_code = __le16_to_cpu(*pos);
 
-	PDEBUG(DEBUG_AP, "%s: disassociation: " MACSTR " len=%d, "
-	       "reason_code=%d\n", dev->name, MAC2STR(hdr->addr2), len,
+	PDEBUG(DEBUG_AP, "%s: disassociation: %s len=%d, "
+	       "reason_code=%d\n", dev->name, print_mac(mac, hdr->addr2), len,
 	       reason_code);
 
 	spin_lock_bh(&local->ap->sta_table_lock);
@@ -1770,9 +1787,9 @@
 	}
 	spin_unlock_bh(&local->ap->sta_table_lock);
 	if (sta == NULL) {
-		printk("%s: disassociation from " MACSTR ", "
+		printk("%s: disassociation from %s, "
 		       "reason_code=%d, but STA not authenticated\n",
-		       dev->name, MAC2STR(hdr->addr2), reason_code);
+		       dev->name, print_mac(mac, hdr->addr2), reason_code);
 	}
 }
 
@@ -1862,15 +1879,16 @@
 	struct sta_info *sta;
 	u16 aid;
 	struct sk_buff *skb;
+	DECLARE_MAC_BUF(mac);
 
-	PDEBUG(DEBUG_PS2, "handle_pspoll: BSSID=" MACSTR ", TA=" MACSTR
-	       " PWRMGT=%d\n",
-	       MAC2STR(hdr->addr1), MAC2STR(hdr->addr2),
+	PDEBUG(DEBUG_PS2, "handle_pspoll: BSSID=%s"
+	       ", TA=%s PWRMGT=%d\n",
+	       print_mac(mac, hdr->addr1), print_mac(mac, hdr->addr2),
 	       !!(le16_to_cpu(hdr->frame_ctl) & IEEE80211_FCTL_PM));
 
 	if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
-		PDEBUG(DEBUG_AP, "handle_pspoll - addr1(BSSID)=" MACSTR
-		       " not own MAC\n", MAC2STR(hdr->addr1));
+		PDEBUG(DEBUG_AP, "handle_pspoll - addr1(BSSID)=%s"
+		       " not own MAC\n", print_mac(mac, hdr->addr1));
 		return;
 	}
 
@@ -1948,6 +1966,7 @@
 					  wds_oper_queue);
 	local_info_t *local = ap->local;
 	struct wds_oper_data *entry, *prev;
+	DECLARE_MAC_BUF(mac);
 
 	spin_lock_bh(&local->lock);
 	entry = local->ap->wds_oper_entries;
@@ -1956,10 +1975,10 @@
 
 	while (entry) {
 		PDEBUG(DEBUG_AP, "%s: %s automatic WDS connection "
-		       "to AP " MACSTR "\n",
+		       "to AP %s\n",
 		       local->dev->name,
 		       entry->type == WDS_ADD ? "adding" : "removing",
-		       MAC2STR(entry->addr));
+		       print_mac(mac, entry->addr));
 		if (entry->type == WDS_ADD)
 			prism2_wds_add(local, entry->addr, 0);
 		else if (entry->type == WDS_DEL)
@@ -2135,6 +2154,7 @@
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 	u16 fc, type, stype;
 	struct ieee80211_hdr_4addr *hdr;
+	DECLARE_MAC_BUF(mac);
 
 	/* FIX: should give skb->len to handler functions and check that the
 	 * buffer is long enough */
@@ -2163,8 +2183,8 @@
 
 		if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
 			PDEBUG(DEBUG_AP, "handle_ap_item - addr1(BSSID)="
-			       MACSTR " not own MAC\n",
-			       MAC2STR(hdr->addr1));
+			       "%s not own MAC\n",
+			       print_mac(mac, hdr->addr1));
 			goto done;
 		}
 
@@ -2200,14 +2220,14 @@
 	}
 
 	if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
-		PDEBUG(DEBUG_AP, "handle_ap_item - addr1(DA)=" MACSTR
-		       " not own MAC\n", MAC2STR(hdr->addr1));
+		PDEBUG(DEBUG_AP, "handle_ap_item - addr1(DA)=%s"
+		       " not own MAC\n", print_mac(mac, hdr->addr1));
 		goto done;
 	}
 
 	if (memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN)) {
-		PDEBUG(DEBUG_AP, "handle_ap_item - addr3(BSSID)=" MACSTR
-		       " not own MAC\n", MAC2STR(hdr->addr3));
+		PDEBUG(DEBUG_AP, "handle_ap_item - addr3(BSSID)=%s"
+		       " not own MAC\n", print_mac(mac, hdr->addr3));
 		goto done;
 	}
 
@@ -2288,6 +2308,7 @@
 	struct sk_buff *skb;
 	struct ieee80211_hdr_4addr *hdr;
 	struct hostap_80211_rx_status rx_stats;
+	DECLARE_MAC_BUF(mac);
 
 	if (skb_queue_empty(&sta->tx_buf))
 		return;
@@ -2308,8 +2329,8 @@
 	memcpy(hdr->addr2, sta->addr, ETH_ALEN);
 	hdr->duration_id = cpu_to_le16(sta->aid | BIT(15) | BIT(14));
 
-	PDEBUG(DEBUG_PS2, "%s: Scheduling buffered packet delivery for "
-	       "STA " MACSTR "\n", local->dev->name, MAC2STR(sta->addr));
+	PDEBUG(DEBUG_PS2, "%s: Scheduling buffered packet delivery for STA "
+	       "%s\n", local->dev->name, print_mac(mac, sta->addr));
 
 	skb->dev = local->dev;
 
@@ -2636,6 +2657,7 @@
 	int ret = sta->tx_rate;
 	struct hostap_interface *iface;
 	local_info_t *local;
+	DECLARE_MAC_BUF(mac);
 
 	iface = netdev_priv(dev);
 	local = iface->local;
@@ -2663,9 +2685,9 @@
 			case 3: sta->tx_rate = 110; break;
 			default: sta->tx_rate = 0; break;
 			}
-			PDEBUG(DEBUG_AP, "%s: STA " MACSTR " TX rate raised to"
-			       " %d\n", dev->name, MAC2STR(sta->addr),
-			       sta->tx_rate);
+			PDEBUG(DEBUG_AP, "%s: STA %s"
+			       " TX rate raised to %d\n",
+			       dev->name, print_mac(mac, sta->addr), sta->tx_rate);
 		}
 		sta->tx_since_last_failure = 0;
 	}
@@ -2683,6 +2705,7 @@
 	int set_tim, ret;
 	struct ieee80211_hdr_4addr *hdr;
 	struct hostap_skb_tx_data *meta;
+	DECLARE_MAC_BUF(mac);
 
 	meta = (struct hostap_skb_tx_data *) skb->cb;
 	ret = AP_TX_CONTINUE;
@@ -2718,7 +2741,8 @@
 		 * print out any errors here. */
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "AP: drop packet to non-associated "
-			       "STA " MACSTR "\n", MAC2STR(hdr->addr1));
+			       "STA %s\n",
+			       print_mac(mac, hdr->addr1));
 		}
 #endif
 		local->ap->tx_drop_nonassoc++;
@@ -2756,8 +2780,9 @@
 	}
 
 	if (skb_queue_len(&sta->tx_buf) >= STA_MAX_TX_BUFFER) {
-		PDEBUG(DEBUG_PS, "%s: No more space in STA (" MACSTR ")'s PS "
-		       "mode buffer\n", local->dev->name, MAC2STR(sta->addr));
+		PDEBUG(DEBUG_PS, "%s: No more space in STA (%s"
+		       ")'s PS mode buffer\n",
+		       local->dev->name, print_mac(mac, sta->addr));
 		/* Make sure that TIM is set for the station (it might not be
 		 * after AP wlan hw reset). */
 		/* FIX: should fix hw reset to restore bits based on STA
@@ -2821,6 +2846,7 @@
 	struct sta_info *sta;
 	struct ieee80211_hdr_4addr *hdr;
 	struct hostap_skb_tx_data *meta;
+	DECLARE_MAC_BUF(mac);
 
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
 	meta = (struct hostap_skb_tx_data *) skb->cb;
@@ -2829,9 +2855,9 @@
 	sta = ap_get_sta(local->ap, hdr->addr1);
 	if (!sta) {
 		spin_unlock(&local->ap->sta_table_lock);
-		PDEBUG(DEBUG_AP, "%s: Could not find STA " MACSTR " for this "
-		       "TX error (@%lu)\n",
-		       local->dev->name, MAC2STR(hdr->addr1), jiffies);
+		PDEBUG(DEBUG_AP, "%s: Could not find STA %s"
+		       " for this TX error (@%lu)\n",
+		       local->dev->name, print_mac(mac, hdr->addr1), jiffies);
 		return;
 	}
 
@@ -2858,8 +2884,9 @@
 			case 3: sta->tx_rate = 110; break;
 			default: sta->tx_rate = 0; break;
 			}
-			PDEBUG(DEBUG_AP, "%s: STA " MACSTR " TX rate lowered "
-			       "to %d\n", local->dev->name, MAC2STR(sta->addr),
+			PDEBUG(DEBUG_AP, "%s: STA %s"
+			       " TX rate lowered to %d\n",
+			       local->dev->name, print_mac(mac, sta->addr),
 			       sta->tx_rate);
 		}
 		sta->tx_consecutive_exc = 0;
@@ -2871,16 +2898,17 @@
 static void hostap_update_sta_ps2(local_info_t *local, struct sta_info *sta,
 				  int pwrmgt, int type, int stype)
 {
+	DECLARE_MAC_BUF(mac);
 	if (pwrmgt && !(sta->flags & WLAN_STA_PS)) {
 		sta->flags |= WLAN_STA_PS;
-		PDEBUG(DEBUG_PS2, "STA " MACSTR " changed to use PS "
+		PDEBUG(DEBUG_PS2, "STA %s changed to use PS "
 		       "mode (type=0x%02X, stype=0x%02X)\n",
-		       MAC2STR(sta->addr), type >> 2, stype >> 4);
+		       print_mac(mac, sta->addr), type >> 2, stype >> 4);
 	} else if (!pwrmgt && (sta->flags & WLAN_STA_PS)) {
 		sta->flags &= ~WLAN_STA_PS;
-		PDEBUG(DEBUG_PS2, "STA " MACSTR " changed to not use "
+		PDEBUG(DEBUG_PS2, "STA %s changed to not use "
 		       "PS mode (type=0x%02X, stype=0x%02X)\n",
-		       MAC2STR(sta->addr), type >> 2, stype >> 4);
+		       print_mac(mac, sta->addr), type >> 2, stype >> 4);
 		if (type != IEEE80211_FTYPE_CTL ||
 		    stype != IEEE80211_STYPE_PSPOLL)
 			schedule_packet_send(local, sta);
@@ -2924,6 +2952,7 @@
 	struct sta_info *sta;
 	u16 fc, type, stype;
 	struct ieee80211_hdr_4addr *hdr;
+	DECLARE_MAC_BUF(mac);
 
 	if (local->ap == NULL)
 		return AP_RX_CONTINUE;
@@ -2954,9 +2983,10 @@
 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
 			} else {
 				printk(KERN_DEBUG "%s: dropped received packet"
-				       " from non-associated STA " MACSTR
+				       " from non-associated STA "
+				       "%s"
 				       " (type=0x%02x, subtype=0x%02x)\n",
-				       dev->name, MAC2STR(hdr->addr2),
+				       dev->name, print_mac(mac, hdr->addr2),
 				       type >> 2, stype >> 4);
 				hostap_rx(dev, skb, rx_stats);
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
@@ -2991,8 +3021,8 @@
 			 * being associated. */
 			printk(KERN_DEBUG "%s: rejected received nullfunc "
 			       "frame without ToDS from not associated STA "
-			       MACSTR "\n",
-			       dev->name, MAC2STR(hdr->addr2));
+			       "%s\n",
+			       dev->name, print_mac(mac, hdr->addr2));
 			hostap_rx(dev, skb, rx_stats);
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 		}
@@ -3009,9 +3039,9 @@
 		 * If BSSID is own, report the dropping of this frame. */
 		if (memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN) == 0) {
 			printk(KERN_DEBUG "%s: dropped received packet from "
-			       MACSTR " with no ToDS flag (type=0x%02x, "
-			       "subtype=0x%02x)\n", dev->name,
-			       MAC2STR(hdr->addr2), type >> 2, stype >> 4);
+			       "%s with no ToDS flag "
+			       "(type=0x%02x, subtype=0x%02x)\n", dev->name,
+			       print_mac(mac, hdr->addr2), type >> 2, stype >> 4);
 			hostap_dump_rx_80211(dev->name, skb, rx_stats);
 		}
 		ret = AP_RX_DROP;
diff --git a/drivers/net/wireless/hostap/hostap_common.h b/drivers/net/wireless/hostap/hostap_common.h
index b31e6a0..ceb7f1e 100644
--- a/drivers/net/wireless/hostap/hostap_common.h
+++ b/drivers/net/wireless/hostap/hostap_common.h
@@ -6,9 +6,6 @@
 
 #define BIT(x) (1 << (x))
 
-#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
-#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
-
 
 /* IEEE 802.11 defines */
 
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index adedb97..7fa7ab0a 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -2335,6 +2335,10 @@
 	int show_dump, res;
 	char *payload = NULL;
 	struct hfa384x_tx_frame txdesc;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
+	DECLARE_MAC_BUF(mac3);
+	DECLARE_MAC_BUF(mac4);
 
 	show_dump = local->frame_dump & PRISM2_DUMP_TXEXC_HDR;
 	local->stats.tx_errors++;
@@ -2400,10 +2404,9 @@
 	       WLAN_FC_GET_STYPE(fc) >> 4,
 	       fc & IEEE80211_FCTL_TODS ? " ToDS" : "",
 	       fc & IEEE80211_FCTL_FROMDS ? " FromDS" : "");
-	PDEBUG(DEBUG_EXTRA, "   A1=" MACSTR " A2=" MACSTR " A3="
-	       MACSTR " A4=" MACSTR "\n",
-	       MAC2STR(txdesc.addr1), MAC2STR(txdesc.addr2),
-	       MAC2STR(txdesc.addr3), MAC2STR(txdesc.addr4));
+	PDEBUG(DEBUG_EXTRA, "   A1=%s A2=%s A3=%s A4=%s\n",
+	       print_mac(mac, txdesc.addr1), print_mac(mac2, txdesc.addr2),
+	       print_mac(mac3, txdesc.addr3), print_mac(mac4, txdesc.addr4));
 }
 
 
diff --git a/drivers/net/wireless/hostap/hostap_info.c b/drivers/net/wireless/hostap/hostap_info.c
index b6a02a0..636f4b2 100644
--- a/drivers/net/wireless/hostap/hostap_info.c
+++ b/drivers/net/wireless/hostap/hostap_info.c
@@ -166,6 +166,7 @@
 	struct hfa384x_hostscan_result *selected, *entry;
 	int i;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac);
 
 	if (local->last_join_time &&
 	    time_before(jiffies, local->last_join_time + 10 * HZ)) {
@@ -198,8 +199,9 @@
 	    local->preferred_ap[2] || local->preferred_ap[3] ||
 	    local->preferred_ap[4] || local->preferred_ap[5]) {
 		/* Try to find preferred AP */
-		PDEBUG(DEBUG_EXTRA, "%s: Preferred AP BSSID " MACSTR "\n",
-		       dev->name, MAC2STR(local->preferred_ap));
+		PDEBUG(DEBUG_EXTRA, "%s: Preferred AP BSSID "
+		       "%s\n",
+		       dev->name, print_mac(mac, local->preferred_ap));
 		for (i = 0; i < local->last_scan_results_count; i++) {
 			entry = &local->last_scan_results[i];
 			if (memcmp(local->preferred_ap, entry->bssid, 6) == 0)
@@ -216,8 +218,9 @@
 	req.channel = selected->chid;
 	spin_unlock_irqrestore(&local->lock, flags);
 
-	PDEBUG(DEBUG_EXTRA, "%s: JoinRequest: BSSID=" MACSTR " channel=%d\n",
-	       dev->name, MAC2STR(req.bssid), le16_to_cpu(req.channel));
+	PDEBUG(DEBUG_EXTRA, "%s: JoinRequest: BSSID=%s"
+	       " channel=%d\n",
+	       dev->name, print_mac(mac, req.bssid), le16_to_cpu(req.channel));
 	if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
 				 sizeof(req))) {
 		printk(KERN_DEBUG "%s: JoinRequest failed\n", dev->name);
@@ -409,6 +412,7 @@
 	int val = local->prev_link_status;
 	int connected;
 	union iwreq_data wrqu;
+	DECLARE_MAC_BUF(mac);
 
 	connected =
 		val == HFA384X_LINKSTATUS_CONNECTED ||
@@ -420,9 +424,10 @@
 		printk(KERN_DEBUG "%s: could not read CURRENTBSSID after "
 		       "LinkStatus event\n", local->dev->name);
 	} else {
-		PDEBUG(DEBUG_EXTRA, "%s: LinkStatus: BSSID=" MACSTR "\n",
+		PDEBUG(DEBUG_EXTRA, "%s: LinkStatus: BSSID="
+		       "%s\n",
 		       local->dev->name,
-		       MAC2STR((unsigned char *) local->bssid));
+		       print_mac(mac, (unsigned char *) local->bssid));
 		if (local->wds_type & HOSTAP_WDS_AP_CLIENT)
 			hostap_add_sta(local->ap, local->bssid);
 	}
diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c
index 730b354..7036ecf 100644
--- a/drivers/net/wireless/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -664,6 +664,7 @@
 	unsigned long flags;
 	int i;
 	struct hfa384x_hostscan_result *entry;
+	DECLARE_MAC_BUF(mac);
 
 	iface = netdev_priv(dev);
 	local = iface->local;
@@ -685,14 +686,14 @@
 
 	if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
 				 sizeof(req))) {
-		printk(KERN_DEBUG "%s: JoinRequest " MACSTR
+		printk(KERN_DEBUG "%s: JoinRequest %s"
 		       " failed\n",
-		       dev->name, MAC2STR(local->preferred_ap));
+		       dev->name, print_mac(mac, local->preferred_ap));
 		return -1;
 	}
 
-	printk(KERN_DEBUG "%s: Trying to join BSSID " MACSTR "\n",
-	       dev->name, MAC2STR(local->preferred_ap));
+	printk(KERN_DEBUG "%s: Trying to join BSSID %s\n",
+	       dev->name, print_mac(mac, local->preferred_ap));
 
 	return 0;
 }
@@ -3697,8 +3698,10 @@
 					  struct prism2_hostapd_param *param,
 					  int param_len)
 {
-	printk(KERN_DEBUG "%ssta: associated as client with AP " MACSTR "\n",
-	       local->dev->name, MAC2STR(param->sta_addr));
+	DECLARE_MAC_BUF(mac);
+	printk(KERN_DEBUG "%ssta: associated as client with AP "
+	       "%s\n",
+	       local->dev->name, print_mac(mac, param->sta_addr));
 	memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
 	return 0;
 }
diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c
index 9a470e8..4cb09d8 100644
--- a/drivers/net/wireless/hostap/hostap_main.c
+++ b/drivers/net/wireless/hostap/hostap_main.c
@@ -530,6 +530,10 @@
 void hostap_dump_rx_header(const char *name, const struct hfa384x_rx_frame *rx)
 {
 	u16 status, fc;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
+	DECLARE_MAC_BUF(mac3);
+	DECLARE_MAC_BUF(mac4);
 
 	status = __le16_to_cpu(rx->status);
 
@@ -548,13 +552,12 @@
 	       fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "",
 	       fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : "");
 
-	printk(KERN_DEBUG "   A1=" MACSTR " A2=" MACSTR " A3=" MACSTR " A4="
-	       MACSTR "\n",
-	       MAC2STR(rx->addr1), MAC2STR(rx->addr2), MAC2STR(rx->addr3),
-	       MAC2STR(rx->addr4));
+	printk(KERN_DEBUG "   A1=%s A2=%s A3=%s A4=%s\n",
+	       print_mac(mac, rx->addr1), print_mac(mac2, rx->addr2),
+	       print_mac(mac3, rx->addr3), print_mac(mac4, rx->addr4));
 
-	printk(KERN_DEBUG "   dst=" MACSTR " src=" MACSTR " len=%d\n",
-	       MAC2STR(rx->dst_addr), MAC2STR(rx->src_addr),
+	printk(KERN_DEBUG "   dst=%s src=%s len=%d\n",
+	       print_mac(mac, rx->dst_addr), print_mac(mac2, rx->src_addr),
 	       __be16_to_cpu(rx->len));
 }
 
@@ -562,6 +565,10 @@
 void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx)
 {
 	u16 fc;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
+	DECLARE_MAC_BUF(mac3);
+	DECLARE_MAC_BUF(mac4);
 
 	printk(KERN_DEBUG "%s: TX status=0x%04x retry_count=%d tx_rate=%d "
 	       "tx_control=0x%04x; jiffies=%ld\n",
@@ -577,13 +584,12 @@
 	       fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "",
 	       fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : "");
 
-	printk(KERN_DEBUG "   A1=" MACSTR " A2=" MACSTR " A3=" MACSTR " A4="
-	       MACSTR "\n",
-	       MAC2STR(tx->addr1), MAC2STR(tx->addr2), MAC2STR(tx->addr3),
-	       MAC2STR(tx->addr4));
+	printk(KERN_DEBUG "   A1=%s A2=%s A3=%s A4=%s\n",
+	       print_mac(mac, tx->addr1), print_mac(mac2, tx->addr2),
+	       print_mac(mac3, tx->addr3), print_mac(mac4, tx->addr4));
 
-	printk(KERN_DEBUG "   dst=" MACSTR " src=" MACSTR " len=%d\n",
-	       MAC2STR(tx->dst_addr), MAC2STR(tx->src_addr),
+	printk(KERN_DEBUG "   dst=%s src=%s len=%d\n",
+	       print_mac(mac, tx->dst_addr), print_mac(mac2, tx->src_addr),
 	       __be16_to_cpu(tx->len));
 }
 
diff --git a/drivers/net/wireless/hostap/hostap_proc.c b/drivers/net/wireless/hostap/hostap_proc.c
index d1d8ce0..b035360 100644
--- a/drivers/net/wireless/hostap/hostap_proc.c
+++ b/drivers/net/wireless/hostap/hostap_proc.c
@@ -106,6 +106,7 @@
 	local_info_t *local = (local_info_t *) data;
 	struct list_head *ptr;
 	struct hostap_interface *iface;
+	DECLARE_MAC_BUF(mac);
 
 	if (off > PROC_LIMIT) {
 		*eof = 1;
@@ -117,9 +118,9 @@
 		iface = list_entry(ptr, struct hostap_interface, list);
 		if (iface->type != HOSTAP_INTERFACE_WDS)
 			continue;
-		p += sprintf(p, "%s\t" MACSTR "\n",
+		p += sprintf(p, "%s\t%s\n",
 			     iface->dev->name,
-			     MAC2STR(iface->u.wds.remote_addr));
+			     print_mac(mac, iface->u.wds.remote_addr));
 		if ((p - page) > PROC_LIMIT) {
 			printk(KERN_DEBUG "%s: wds proc did not fit\n",
 			       local->dev->name);
@@ -147,6 +148,7 @@
 	struct list_head *ptr;
 	struct hostap_bss_info *bss;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	if (off > PROC_LIMIT) {
 		*eof = 1;
@@ -158,8 +160,8 @@
 	spin_lock_bh(&local->lock);
 	list_for_each(ptr, &local->bss_list) {
 		bss = list_entry(ptr, struct hostap_bss_info, list);
-		p += sprintf(p, MACSTR "\t%lu\t%u\t0x%x\t",
-			     MAC2STR(bss->bssid), bss->last_update,
+		p += sprintf(p, "%s\t%lu\t%u\t0x%x\t",
+			     print_mac(mac, bss->bssid), bss->last_update,
 			     bss->count, bss->capab_info);
 		for (i = 0; i < bss->ssid_len; i++) {
 			p += sprintf(p, "%c",
@@ -312,6 +314,7 @@
 	int entry, i, len, total = 0;
 	struct hfa384x_hostscan_result *scanres;
 	u8 *pos;
+	DECLARE_MAC_BUF(mac);
 
 	p += sprintf(p, "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates "
 		     "SSID\n");
@@ -329,14 +332,14 @@
 		if ((p - page) > (PAGE_SIZE - 200))
 			break;
 
-		p += sprintf(p, "%d %d %d %d 0x%02x %d " MACSTR " %d ",
+		p += sprintf(p, "%d %d %d %d 0x%02x %d %s %d ",
 			     le16_to_cpu(scanres->chid),
 			     (s16) le16_to_cpu(scanres->anl),
 			     (s16) le16_to_cpu(scanres->sl),
 			     le16_to_cpu(scanres->beacon_interval),
 			     le16_to_cpu(scanres->capability),
 			     le16_to_cpu(scanres->rate),
-			     MAC2STR(scanres->bssid),
+			     print_mac(mac, scanres->bssid),
 			     le16_to_cpu(scanres->atim));
 
 		pos = scanres->sup_rates;
diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index b3c07b9..2d46a16 100644
--- a/drivers/net/wireless/ipw2100.c
+++ b/drivers/net/wireless/ipw2100.c
@@ -1922,6 +1922,7 @@
 	u32 chan;
 	char *txratename;
 	u8 bssid[ETH_ALEN];
+	DECLARE_MAC_BUF(mac);
 
 	/*
 	 * TBD: BSSID is usually 00:00:00:00:00:00 here and not
@@ -1983,9 +1984,9 @@
 	}
 
 	IPW_DEBUG_INFO("%s: Associated with '%s' at %s, channel %d (BSSID="
-		       MAC_FMT ")\n",
+		       "%s)\n",
 		       priv->net_dev->name, escape_essid(essid, essid_len),
-		       txratename, chan, MAC_ARG(bssid));
+		       txratename, chan, print_mac(mac, bssid));
 
 	/* now we copy read ssid into dev */
 	if (!(priv->config & CFG_STATIC_ESSID)) {
@@ -2053,10 +2054,12 @@
 
 static void isr_indicate_association_lost(struct ipw2100_priv *priv, u32 status)
 {
+	DECLARE_MAC_BUF(mac);
+
 	IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | IPW_DL_ASSOC,
-		  "disassociated: '%s' " MAC_FMT " \n",
+		  "disassociated: '%s' %s \n",
 		  escape_essid(priv->essid, priv->essid_len),
-		  MAC_ARG(priv->bssid));
+		  print_mac(mac, priv->bssid));
 
 	priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
 
@@ -4049,6 +4052,7 @@
 	char *out = buf;
 	int length;
 	int ret;
+	DECLARE_MAC_BUF(mac);
 
 	if (priv->status & STATUS_RF_KILL_MASK)
 		return 0;
@@ -4076,9 +4080,7 @@
 			       __LINE__);
 
 	out += sprintf(out, "ESSID: %s\n", essid);
-	out += sprintf(out, "BSSID:   %02x:%02x:%02x:%02x:%02x:%02x\n",
-		       bssid[0], bssid[1], bssid[2],
-		       bssid[3], bssid[4], bssid[5]);
+	out += sprintf(out, "BSSID:   %s\n", print_mac(mac, bssid));
 	out += sprintf(out, "Channel: %d\n", chan);
 
 	return out - buf;
@@ -4652,19 +4654,20 @@
 static int ipw2100_read_mac_address(struct ipw2100_priv *priv)
 {
 	u32 length = ETH_ALEN;
-	u8 mac[ETH_ALEN];
+	u8 addr[ETH_ALEN];
+	DECLARE_MAC_BUF(mac);
 
 	int err;
 
-	err = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ADAPTER_MAC, mac, &length);
+	err = ipw2100_get_ordinal(priv, IPW_ORD_STAT_ADAPTER_MAC, addr, &length);
 	if (err) {
 		IPW_DEBUG_INFO("MAC address read failed\n");
 		return -EIO;
 	}
-	IPW_DEBUG_INFO("card MAC is %02X:%02X:%02X:%02X:%02X:%02X\n",
-		       mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
 
-	memcpy(priv->net_dev->dev_addr, mac, ETH_ALEN);
+	memcpy(priv->net_dev->dev_addr, addr, ETH_ALEN);
+	IPW_DEBUG_INFO("card MAC is %s\n",
+		       print_mac(mac, priv->net_dev->dev_addr));
 
 	return 0;
 }
@@ -5043,10 +5046,10 @@
 	int err;
 
 #ifdef CONFIG_IPW2100_DEBUG
+	DECLARE_MAC_BUF(mac);
 	if (bssid != NULL)
-		IPW_DEBUG_HC("MANDATORY_BSSID: %02X:%02X:%02X:%02X:%02X:%02X\n",
-			     bssid[0], bssid[1], bssid[2], bssid[3], bssid[4],
-			     bssid[5]);
+		IPW_DEBUG_HC("MANDATORY_BSSID: %s\n",
+			     print_mac(mac, bssid));
 	else
 		IPW_DEBUG_HC("MANDATORY_BSSID: <clear>\n");
 #endif
@@ -6892,6 +6895,7 @@
 	static const unsigned char off[] = {
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 	};
+	DECLARE_MAC_BUF(mac);
 
 	// sanity checks
 	if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
@@ -6917,13 +6921,8 @@
 
 	err = ipw2100_set_mandatory_bssid(priv, wrqu->ap_addr.sa_data, 0);
 
-	IPW_DEBUG_WX("SET BSSID -> %02X:%02X:%02X:%02X:%02X:%02X\n",
-		     wrqu->ap_addr.sa_data[0] & 0xff,
-		     wrqu->ap_addr.sa_data[1] & 0xff,
-		     wrqu->ap_addr.sa_data[2] & 0xff,
-		     wrqu->ap_addr.sa_data[3] & 0xff,
-		     wrqu->ap_addr.sa_data[4] & 0xff,
-		     wrqu->ap_addr.sa_data[5] & 0xff);
+	IPW_DEBUG_WX("SET BSSID -> %s\n",
+		     print_mac(mac, wrqu->ap_addr.sa_data));
 
       done:
 	mutex_unlock(&priv->action_mutex);
@@ -6939,6 +6938,7 @@
 	 */
 
 	struct ipw2100_priv *priv = ieee80211_priv(dev);
+	DECLARE_MAC_BUF(mac);
 
 	/* If we are associated, trying to associate, or have a statically
 	 * configured BSSID then return that; otherwise return ANY */
@@ -6948,8 +6948,8 @@
 	} else
 		memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
 
-	IPW_DEBUG_WX("Getting WAP BSSID: " MAC_FMT "\n",
-		     MAC_ARG(wrqu->ap_addr.sa_data));
+	IPW_DEBUG_WX("Getting WAP BSSID: %s\n",
+		     print_mac(mac, wrqu->ap_addr.sa_data));
 	return 0;
 }
 
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index afad8bb..2119a79 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -2247,8 +2247,8 @@
 		return -1;
 	}
 
-	IPW_DEBUG_INFO("%s: Setting MAC to " MAC_FMT "\n",
-		       priv->net_dev->name, MAC_ARG(mac));
+	IPW_DEBUG_INFO("%s: Setting MAC to %s\n",
+		       priv->net_dev->name, print_mac(mac, mac));
 
 	return ipw_send_cmd_pdu(priv, IPW_CMD_ADAPTER_ADDRESS, ETH_ALEN, mac);
 }
@@ -3796,6 +3796,7 @@
 {
 	struct ipw_station_entry entry;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	for (i = 0; i < priv->num_stations; i++) {
 		if (!memcmp(priv->stations[i], bssid, ETH_ALEN)) {
@@ -3812,7 +3813,7 @@
 	if (i == MAX_STATIONS)
 		return IPW_INVALID_STATION;
 
-	IPW_DEBUG_SCAN("Adding AdHoc station: " MAC_FMT "\n", MAC_ARG(bssid));
+	IPW_DEBUG_SCAN("Adding AdHoc station: %s\n", print_mac(mac, bssid));
 
 	entry.reserved = 0;
 	entry.support_mode = 0;
@@ -3839,6 +3840,7 @@
 static void ipw_send_disassociate(struct ipw_priv *priv, int quiet)
 {
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	if (priv->status & STATUS_ASSOCIATING) {
 		IPW_DEBUG_ASSOC("Disassociating while associating.\n");
@@ -3851,9 +3853,9 @@
 		return;
 	}
 
-	IPW_DEBUG_ASSOC("Disassocation attempt from " MAC_FMT " "
+	IPW_DEBUG_ASSOC("Disassocation attempt from %s "
 			"on channel %d.\n",
-			MAC_ARG(priv->assoc_request.bssid),
+			print_mac(mac, priv->assoc_request.bssid),
 			priv->assoc_request.channel);
 
 	priv->status &= ~(STATUS_ASSOCIATING | STATUS_ASSOCIATED);
@@ -4348,6 +4350,7 @@
 static void ipw_rx_notification(struct ipw_priv *priv,
 				       struct ipw_rx_notification *notif)
 {
+	DECLARE_MAC_BUF(mac);
 	notif->size = le16_to_cpu(notif->size);
 
 	IPW_DEBUG_NOTIF("type = %i (%d bytes)\n", notif->subtype, notif->size);
@@ -4360,11 +4363,11 @@
 			case CMAS_ASSOCIATED:{
 					IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
 						  IPW_DL_ASSOC,
-						  "associated: '%s' " MAC_FMT
+						  "associated: '%s' %s"
 						  " \n",
 						  escape_essid(priv->essid,
 							       priv->essid_len),
-						  MAC_ARG(priv->bssid));
+						  print_mac(mac, priv->bssid));
 
 					switch (priv->ieee->iw_mode) {
 					case IW_MODE_INFRA:
@@ -4444,13 +4447,13 @@
 							  IPW_DL_STATE |
 							  IPW_DL_ASSOC,
 							  "deauthenticated: '%s' "
-							  MAC_FMT
+							  "%s"
 							  ": (0x%04X) - %s \n",
 							  escape_essid(priv->
 								       essid,
 								       priv->
 								       essid_len),
-							  MAC_ARG(priv->bssid),
+							  print_mac(mac, priv->bssid),
 							  ntohs(auth->status),
 							  ipw_get_status_code
 							  (ntohs
@@ -4467,11 +4470,11 @@
 
 					IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
 						  IPW_DL_ASSOC,
-						  "authenticated: '%s' " MAC_FMT
+						  "authenticated: '%s' %s"
 						  "\n",
 						  escape_essid(priv->essid,
 							       priv->essid_len),
-						  MAC_ARG(priv->bssid));
+						  print_mac(mac, priv->bssid));
 					break;
 				}
 
@@ -4496,11 +4499,11 @@
 
 					IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
 						  IPW_DL_ASSOC,
-						  "disassociated: '%s' " MAC_FMT
+						  "disassociated: '%s' %s"
 						  " \n",
 						  escape_essid(priv->essid,
 							       priv->essid_len),
-						  MAC_ARG(priv->bssid));
+						  print_mac(mac, priv->bssid));
 
 					priv->status &=
 					    ~(STATUS_DISASSOCIATING |
@@ -4535,10 +4538,10 @@
 			switch (auth->state) {
 			case CMAS_AUTHENTICATED:
 				IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE,
-					  "authenticated: '%s' " MAC_FMT " \n",
+					  "authenticated: '%s' %s \n",
 					  escape_essid(priv->essid,
 						       priv->essid_len),
-					  MAC_ARG(priv->bssid));
+					  print_mac(mac, priv->bssid));
 				priv->status |= STATUS_AUTH;
 				break;
 
@@ -4554,10 +4557,10 @@
 				}
 				IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
 					  IPW_DL_ASSOC,
-					  "deauthenticated: '%s' " MAC_FMT "\n",
+					  "deauthenticated: '%s' %s\n",
 					  escape_essid(priv->essid,
 						       priv->essid_len),
-					  MAC_ARG(priv->bssid));
+					  print_mac(mac, priv->bssid));
 
 				priv->status &= ~(STATUS_ASSOCIATING |
 						  STATUS_AUTH |
@@ -5383,25 +5386,27 @@
 				  int roaming)
 {
 	struct ipw_supported_rates rates;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
 
 	/* Verify that this network's capability is compatible with the
 	 * current mode (AdHoc or Infrastructure) */
 	if ((priv->ieee->iw_mode == IW_MODE_ADHOC &&
 	     !(network->capability & WLAN_CAPABILITY_IBSS))) {
-		IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded due to "
+		IPW_DEBUG_MERGE("Network '%s (%s)' excluded due to "
 				"capability mismatch.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
 	/* If we do not have an ESSID for this AP, we can not associate with
 	 * it */
 	if (network->flags & NETWORK_EMPTY_ESSID) {
-		IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
 				"because of hidden ESSID.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
@@ -5411,11 +5416,11 @@
 		if ((network->ssid_len != match->network->ssid_len) ||
 		    memcmp(network->ssid, match->network->ssid,
 			   network->ssid_len)) {
-			IPW_DEBUG_MERGE("Netowrk '%s (" MAC_FMT ")' excluded "
+			IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
 					"because of non-network ESSID.\n",
 					escape_essid(network->ssid,
 						     network->ssid_len),
-					MAC_ARG(network->bssid));
+					print_mac(mac, network->bssid));
 			return 0;
 		}
 	} else {
@@ -5430,9 +5435,9 @@
 			strncpy(escaped,
 				escape_essid(network->ssid, network->ssid_len),
 				sizeof(escaped));
-			IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+			IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
 					"because of ESSID mismatch: '%s'.\n",
-					escaped, MAC_ARG(network->bssid),
+					escaped, print_mac(mac, network->bssid),
 					escape_essid(priv->essid,
 						     priv->essid_len));
 			return 0;
@@ -5459,10 +5464,10 @@
 	/* Now go through and see if the requested network is valid... */
 	if (priv->ieee->scan_age != 0 &&
 	    time_after(jiffies, network->last_scanned + priv->ieee->scan_age)) {
-		IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
 				"because of age: %ums.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid),
+				print_mac(mac, network->bssid),
 				jiffies_to_msecs(jiffies -
 						 network->last_scanned));
 		return 0;
@@ -5470,10 +5475,10 @@
 
 	if ((priv->config & CFG_STATIC_CHANNEL) &&
 	    (network->channel != priv->channel)) {
-		IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
 				"because of channel mismatch: %d != %d.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid),
+				print_mac(mac, network->bssid),
 				network->channel, priv->channel);
 		return 0;
 	}
@@ -5481,10 +5486,10 @@
 	/* Verify privacy compatability */
 	if (((priv->capability & CAP_PRIVACY_ON) ? 1 : 0) !=
 	    ((network->capability & WLAN_CAPABILITY_PRIVACY) ? 1 : 0)) {
-		IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
 				"because of privacy mismatch: %s != %s.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid),
+				print_mac(mac, network->bssid),
 				priv->
 				capability & CAP_PRIVACY_ON ? "on" : "off",
 				network->
@@ -5494,40 +5499,41 @@
 	}
 
 	if (!memcmp(network->bssid, priv->bssid, ETH_ALEN)) {
-		IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
-				"because of the same BSSID match: " MAC_FMT
+		IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
+				"because of the same BSSID match: %s"
 				".\n", escape_essid(network->ssid,
 						    network->ssid_len),
-				MAC_ARG(network->bssid), MAC_ARG(priv->bssid));
+				print_mac(mac, network->bssid),
+				print_mac(mac2, priv->bssid));
 		return 0;
 	}
 
 	/* Filter out any incompatible freq / mode combinations */
 	if (!ieee80211_is_valid_mode(priv->ieee, network->mode)) {
-		IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
 				"because of invalid frequency/mode "
 				"combination.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
 	/* Ensure that the rates supported by the driver are compatible with
 	 * this AP, including verification of basic rates (mandatory) */
 	if (!ipw_compatible_rates(priv, network, &rates)) {
-		IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
 				"because configured rate mask excludes "
 				"AP mandatory rate.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
 	if (rates.num_rates == 0) {
-		IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_MERGE("Network '%s (%s)' excluded "
 				"because of no compatible rates.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
@@ -5538,9 +5544,9 @@
 	/* Set up 'new' AP to this network */
 	ipw_copy_rates(&match->rates, &rates);
 	match->network = network;
-	IPW_DEBUG_MERGE("Network '%s (" MAC_FMT ")' is a viable match.\n",
+	IPW_DEBUG_MERGE("Network '%s (%s)' is a viable match.\n",
 			escape_essid(network->ssid, network->ssid_len),
-			MAC_ARG(network->bssid));
+			print_mac(mac, network->bssid));
 
 	return 1;
 }
@@ -5594,6 +5600,7 @@
 			    struct ieee80211_network *network, int roaming)
 {
 	struct ipw_supported_rates rates;
+	DECLARE_MAC_BUF(mac);
 
 	/* Verify that this network's capability is compatible with the
 	 * current mode (AdHoc or Infrastructure) */
@@ -5601,20 +5608,20 @@
 	     !(network->capability & WLAN_CAPABILITY_ESS)) ||
 	    (priv->ieee->iw_mode == IW_MODE_ADHOC &&
 	     !(network->capability & WLAN_CAPABILITY_IBSS))) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded due to "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded due to "
 				"capability mismatch.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
 	/* If we do not have an ESSID for this AP, we can not associate with
 	 * it */
 	if (network->flags & NETWORK_EMPTY_ESSID) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 				"because of hidden ESSID.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
@@ -5624,11 +5631,11 @@
 		if ((network->ssid_len != match->network->ssid_len) ||
 		    memcmp(network->ssid, match->network->ssid,
 			   network->ssid_len)) {
-			IPW_DEBUG_ASSOC("Netowrk '%s (" MAC_FMT ")' excluded "
+			IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 					"because of non-network ESSID.\n",
 					escape_essid(network->ssid,
 						     network->ssid_len),
-					MAC_ARG(network->bssid));
+					print_mac(mac, network->bssid));
 			return 0;
 		}
 	} else {
@@ -5642,9 +5649,9 @@
 			strncpy(escaped,
 				escape_essid(network->ssid, network->ssid_len),
 				sizeof(escaped));
-			IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+			IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 					"because of ESSID mismatch: '%s'.\n",
-					escaped, MAC_ARG(network->bssid),
+					escaped, print_mac(mac, network->bssid),
 					escape_essid(priv->essid,
 						     priv->essid_len));
 			return 0;
@@ -5658,12 +5665,12 @@
 		strncpy(escaped,
 			escape_essid(network->ssid, network->ssid_len),
 			sizeof(escaped));
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded because "
-				"'%s (" MAC_FMT ")' has a stronger signal.\n",
-				escaped, MAC_ARG(network->bssid),
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded because "
+				"'%s (%s)' has a stronger signal.\n",
+				escaped, print_mac(mac, network->bssid),
 				escape_essid(match->network->ssid,
 					     match->network->ssid_len),
-				MAC_ARG(match->network->bssid));
+				print_mac(mac, match->network->bssid));
 		return 0;
 	}
 
@@ -5671,11 +5678,11 @@
 	 * last 3 seconds, do not try and associate again... */
 	if (network->last_associate &&
 	    time_after(network->last_associate + (HZ * 3UL), jiffies)) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 				"because of storming (%ums since last "
 				"assoc attempt).\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid),
+				print_mac(mac, network->bssid),
 				jiffies_to_msecs(jiffies -
 						 network->last_associate));
 		return 0;
@@ -5684,10 +5691,10 @@
 	/* Now go through and see if the requested network is valid... */
 	if (priv->ieee->scan_age != 0 &&
 	    time_after(jiffies, network->last_scanned + priv->ieee->scan_age)) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 				"because of age: %ums.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid),
+				print_mac(mac, network->bssid),
 				jiffies_to_msecs(jiffies -
 						 network->last_scanned));
 		return 0;
@@ -5695,10 +5702,10 @@
 
 	if ((priv->config & CFG_STATIC_CHANNEL) &&
 	    (network->channel != priv->channel)) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 				"because of channel mismatch: %d != %d.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid),
+				print_mac(mac, network->bssid),
 				network->channel, priv->channel);
 		return 0;
 	}
@@ -5706,10 +5713,10 @@
 	/* Verify privacy compatability */
 	if (((priv->capability & CAP_PRIVACY_ON) ? 1 : 0) !=
 	    ((network->capability & WLAN_CAPABILITY_PRIVACY) ? 1 : 0)) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 				"because of privacy mismatch: %s != %s.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid),
+				print_mac(mac, network->bssid),
 				priv->capability & CAP_PRIVACY_ON ? "on" :
 				"off",
 				network->capability &
@@ -5719,48 +5726,48 @@
 
 	if ((priv->config & CFG_STATIC_BSSID) &&
 	    memcmp(network->bssid, priv->bssid, ETH_ALEN)) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
-				"because of BSSID mismatch: " MAC_FMT ".\n",
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
+				"because of BSSID mismatch: %s.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid), MAC_ARG(priv->bssid));
+				print_mac(mac, network->bssid), print_mac(mac, priv->bssid));
 		return 0;
 	}
 
 	/* Filter out any incompatible freq / mode combinations */
 	if (!ieee80211_is_valid_mode(priv->ieee, network->mode)) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 				"because of invalid frequency/mode "
 				"combination.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
 	/* Filter out invalid channel in current GEO */
 	if (!ieee80211_is_valid_channel(priv->ieee, network->channel)) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 				"because of invalid channel in current GEO\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
 	/* Ensure that the rates supported by the driver are compatible with
 	 * this AP, including verification of basic rates (mandatory) */
 	if (!ipw_compatible_rates(priv, network, &rates)) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 				"because configured rate mask excludes "
 				"AP mandatory rate.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
 	if (rates.num_rates == 0) {
-		IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' excluded "
+		IPW_DEBUG_ASSOC("Network '%s (%s)' excluded "
 				"because of no compatible rates.\n",
 				escape_essid(network->ssid, network->ssid_len),
-				MAC_ARG(network->bssid));
+				print_mac(mac, network->bssid));
 		return 0;
 	}
 
@@ -5772,9 +5779,9 @@
 	ipw_copy_rates(&match->rates, &rates);
 	match->network = network;
 
-	IPW_DEBUG_ASSOC("Network '%s (" MAC_FMT ")' is a viable match.\n",
+	IPW_DEBUG_ASSOC("Network '%s (%s)' is a viable match.\n",
 			escape_essid(network->ssid, network->ssid_len),
-			MAC_ARG(network->bssid));
+			print_mac(mac, network->bssid));
 
 	return 1;
 }
@@ -6016,6 +6023,7 @@
 
 static void ipw_debug_config(struct ipw_priv *priv)
 {
+	DECLARE_MAC_BUF(mac);
 	IPW_DEBUG_INFO("Scan completed, no valid APs matched "
 		       "[CFG 0x%08X]\n", priv->config);
 	if (priv->config & CFG_STATIC_CHANNEL)
@@ -6028,8 +6036,8 @@
 	else
 		IPW_DEBUG_INFO("ESSID unlocked.\n");
 	if (priv->config & CFG_STATIC_BSSID)
-		IPW_DEBUG_INFO("BSSID locked to " MAC_FMT "\n",
-			       MAC_ARG(priv->bssid));
+		IPW_DEBUG_INFO("BSSID locked to %s\n",
+			       print_mac(mac, priv->bssid));
 	else
 		IPW_DEBUG_INFO("BSSID unlocked.\n");
 	if (priv->capability & CAP_PRIVACY_ON)
@@ -7221,6 +7229,7 @@
 				 struct ipw_supported_rates *rates, int roaming)
 {
 	int err;
+	DECLARE_MAC_BUF(mac);
 
 	if (priv->config & CFG_FIXED_RATE)
 		ipw_set_fixed_rate(priv, network->mode);
@@ -7388,9 +7397,9 @@
 		return err;
 	}
 
-	IPW_DEBUG(IPW_DL_STATE, "associating: '%s' " MAC_FMT " \n",
+	IPW_DEBUG(IPW_DL_STATE, "associating: '%s' %s \n",
 		  escape_essid(priv->essid, priv->essid_len),
-		  MAC_ARG(priv->bssid));
+		  print_mac(mac, priv->bssid));
 
 	return 0;
 }
@@ -8202,6 +8211,9 @@
 	struct ieee80211_hdr_4addr *header;
 	u32 r, w, i;
 	u8 network_packet;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
+	DECLARE_MAC_BUF(mac3);
 
 	r = ipw_read32(priv, IPW_RX_READ_INDEX);
 	w = ipw_read32(priv, IPW_RX_WRITE_INDEX);
@@ -8328,14 +8340,17 @@
 									 header)))
 					{
 						IPW_DEBUG_DROP("Dropping: "
-							       MAC_FMT ", "
-							       MAC_FMT ", "
-							       MAC_FMT "\n",
-							       MAC_ARG(header->
+							       "%s, "
+							       "%s, "
+							       "%s\n",
+							       print_mac(mac,
+									 header->
 								       addr1),
-							       MAC_ARG(header->
+							       print_mac(mac2,
+									 header->
 								       addr2),
-							       MAC_ARG(header->
+							       print_mac(mac3,
+									 header->
 								       addr3));
 						break;
 					}
@@ -8867,6 +8882,7 @@
 			  union iwreq_data *wrqu, char *extra)
 {
 	struct ipw_priv *priv = ieee80211_priv(dev);
+	DECLARE_MAC_BUF(mac);
 
 	static const unsigned char any[] = {
 		0xff, 0xff, 0xff, 0xff, 0xff, 0xff
@@ -8897,8 +8913,8 @@
 		return 0;
 	}
 
-	IPW_DEBUG_WX("Setting mandatory BSSID to " MAC_FMT "\n",
-		     MAC_ARG(wrqu->ap_addr.sa_data));
+	IPW_DEBUG_WX("Setting mandatory BSSID to %s\n",
+		     print_mac(mac, wrqu->ap_addr.sa_data));
 
 	memcpy(priv->bssid, wrqu->ap_addr.sa_data, ETH_ALEN);
 
@@ -8916,6 +8932,8 @@
 			  union iwreq_data *wrqu, char *extra)
 {
 	struct ipw_priv *priv = ieee80211_priv(dev);
+	DECLARE_MAC_BUF(mac);
+
 	/* If we are associated, trying to associate, or have a statically
 	 * configured BSSID then return that; otherwise return ANY */
 	mutex_lock(&priv->mutex);
@@ -8926,8 +8944,8 @@
 	} else
 		memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
 
-	IPW_DEBUG_WX("Getting WAP BSSID: " MAC_FMT "\n",
-		     MAC_ARG(wrqu->ap_addr.sa_data));
+	IPW_DEBUG_WX("Getting WAP BSSID: %s\n",
+		     print_mac(mac, wrqu->ap_addr.sa_data));
 	mutex_unlock(&priv->mutex);
 	return 0;
 }
@@ -10133,6 +10151,7 @@
 	u8 id, hdr_len, unicast;
 	u16 remaining_bytes;
 	int fc;
+	DECLARE_MAC_BUF(mac);
 
 	hdr_len = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
 	switch (priv->ieee->iw_mode) {
@@ -10143,8 +10162,8 @@
 			id = ipw_add_station(priv, hdr->addr1);
 			if (id == IPW_INVALID_STATION) {
 				IPW_WARNING("Attempt to send data to "
-					    "invalid cell: " MAC_FMT "\n",
-					    MAC_ARG(hdr->addr1));
+					    "invalid cell: %s\n",
+					    print_mac(mac, hdr->addr1));
 				goto drop;
 			}
 		}
@@ -10460,13 +10479,15 @@
 {
 	struct ipw_priv *priv = ieee80211_priv(dev);
 	struct sockaddr *addr = p;
+	DECLARE_MAC_BUF(mac);
+
 	if (!is_valid_ether_addr(addr->sa_data))
 		return -EADDRNOTAVAIL;
 	mutex_lock(&priv->mutex);
 	priv->config |= CFG_CUSTOM_MAC;
 	memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);
-	printk(KERN_INFO "%s: Setting MAC to " MAC_FMT "\n",
-	       priv->net_dev->name, MAC_ARG(priv->mac_addr));
+	printk(KERN_INFO "%s: Setting MAC to %s\n",
+	       priv->net_dev->name, print_mac(mac, priv->mac_addr));
 	queue_work(priv->workqueue, &priv->adapter_restart);
 	mutex_unlock(&priv->mutex);
 	return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index a4f4c87..b0d28ae 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -646,6 +646,7 @@
 	struct sta_info *sta;
 	u16 fc, rate_mask;
 	struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
+	DECLARE_MAC_BUF(mac);
 
 	IWL_DEBUG_RATE("enter\n");
 
@@ -681,8 +682,8 @@
 		u8 sta_id = iwl_hw_find_station(priv, hdr->addr1);
 
 		if (sta_id == IWL_INVALID_STATION) {
-			IWL_DEBUG_RATE("LQ: ADD station " MAC_FMT "\n",
-					MAC_ARG(hdr->addr1));
+			IWL_DEBUG_RATE("LQ: ADD station %s\n",
+				       print_mac(mac, hdr->addr1));
 			sta_id = iwl_add_station(priv,
 				    hdr->addr1, 0, CMD_ASYNC);
 		}
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 26f03a0..55f7d89 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -457,13 +457,16 @@
 			}
 
 		case IEEE80211_STYPE_PROBE_REQ:{
+				DECLARE_MAC_BUF(mac1);
+				DECLARE_MAC_BUF(mac2);
+				DECLARE_MAC_BUF(mac3);
 				if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS)
 					IWL_DEBUG_DROP
-					    ("Dropping (non network): " MAC_FMT
-					     ", " MAC_FMT ", " MAC_FMT "\n",
-					     MAC_ARG(header->addr1),
-					     MAC_ARG(header->addr2),
-					     MAC_ARG(header->addr3));
+					    ("Dropping (non network): %s"
+					     ", %s, %s\n",
+					     print_mac(mac1, header->addr1),
+					     print_mac(mac2, header->addr2),
+					     print_mac(mac3, header->addr3));
 				return;
 			}
 		}
@@ -474,18 +477,22 @@
 	case IEEE80211_FTYPE_CTL:
 		break;
 
-	case IEEE80211_FTYPE_DATA:
+	case IEEE80211_FTYPE_DATA: {
+		DECLARE_MAC_BUF(mac1);
+		DECLARE_MAC_BUF(mac2);
+		DECLARE_MAC_BUF(mac3);
+
 		if (unlikely(is_duplicate_packet(priv, header)))
-			IWL_DEBUG_DROP("Dropping (dup): " MAC_FMT ", "
-				       MAC_FMT ", " MAC_FMT "\n",
-				       MAC_ARG(header->addr1),
-				       MAC_ARG(header->addr2),
-				       MAC_ARG(header->addr3));
+			IWL_DEBUG_DROP("Dropping (dup): %s, %s, %s\n",
+				       print_mac(mac1, header->addr1),
+				       print_mac(mac2, header->addr2),
+				       print_mac(mac3, header->addr3));
 		else
 			iwl3945_handle_data_packet(priv, 1, rxb, &stats,
 						   phy_flags);
 		break;
 	}
+	}
 }
 
 int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *ptr,
@@ -563,6 +570,7 @@
 	int i;
 	int ret = IWL_INVALID_STATION;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac);
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
 	for (i = IWL_STA_ID; i < priv->hw_setting.max_stations; i++)
@@ -573,8 +581,8 @@
 			goto out;
 		}
 
-	IWL_DEBUG_INFO("can not find STA " MAC_FMT " (total %d)\n",
-		       MAC_ARG(addr), priv->num_stations);
+	IWL_DEBUG_INFO("can not find STA %s (total %d)\n",
+		       print_mac(mac, addr), priv->num_stations);
  out:
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 	return ret;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index f363860..7b74481 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -1737,10 +1737,11 @@
 
 	if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) && !lq->ibss_sta_added) {
 		u8 sta_id = iwl_hw_find_station(priv, hdr->addr1);
+		DECLARE_MAC_BUF(mac);
 
 		if (sta_id == IWL_INVALID_STATION) {
-			IWL_DEBUG_RATE("LQ: ADD station " MAC_FMT "\n",
-					MAC_ARG(hdr->addr1));
+			IWL_DEBUG_RATE("LQ: ADD station %s\n",
+				       print_mac(mac, hdr->addr1));
 			sta_id = iwl_add_station(priv,
 						 hdr->addr1, 0, CMD_ASYNC);
 		}
@@ -1811,14 +1812,16 @@
 	crl->ibss_sta_added = 0;
 	if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
 		u8 sta_id = iwl_hw_find_station(priv, sta->addr);
+		DECLARE_MAC_BUF(mac);
+
 		/* for IBSS the call are from tasklet */
-		IWL_DEBUG_HT("LQ: ADD station " MAC_FMT " \n",
-			     MAC_ARG(sta->addr));
+		IWL_DEBUG_HT("LQ: ADD station %s\n",
+			     print_mac(mac, sta->addr));
 
 		if (sta_id == IWL_INVALID_STATION) {
-			IWL_DEBUG_RATE("LQ: ADD station " MAC_FMT "\n",
-					MAC_ARG(sta->addr));
-					sta_id = iwl_add_station(priv,
+			IWL_DEBUG_RATE("LQ: ADD station %s\n",
+				       print_mac(mac, sta->addr));
+			sta_id = iwl_add_station(priv,
 						 sta->addr, 0, CMD_ASYNC);
 		}
 		if ((sta_id != IWL_INVALID_STATION)) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index ba35b3a..e624f2a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -164,6 +164,7 @@
 	int start = 0;
 	int ret = IWL_INVALID_STATION;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac);
 
 	if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) ||
 	    (priv->iw_mode == IEEE80211_IF_TYPE_AP))
@@ -181,8 +182,8 @@
 			goto out;
 		}
 
-	IWL_DEBUG_ASSOC("can not find STA " MAC_FMT " total %d\n",
-			MAC_ARG(addr), priv->num_stations);
+	IWL_DEBUG_ASSOC("can not find STA %s total %d\n",
+			print_mac(mac, addr), priv->num_stations);
 
  out:
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
@@ -3909,12 +3910,15 @@
 		case IEEE80211_STYPE_PROBE_REQ:
 			if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) &&
 			    !iwl_is_associated(priv)) {
+				DECLARE_MAC_BUF(mac1);
+				DECLARE_MAC_BUF(mac2);
+				DECLARE_MAC_BUF(mac3);
+
 				IWL_DEBUG_DROP("Dropping (non network): "
-					       MAC_FMT ", " MAC_FMT ", "
-					       MAC_FMT "\n",
-					       MAC_ARG(header->addr1),
-					       MAC_ARG(header->addr2),
-					       MAC_ARG(header->addr3));
+					       "%s, %s, %s\n",
+					       print_mac(mac1, header->addr1),
+					       print_mac(mac2, header->addr2),
+					       print_mac(mac3, header->addr3));
 				return;
 			}
 		}
@@ -3936,28 +3940,31 @@
 
 		break;
 
-	case IEEE80211_FTYPE_DATA:
+	case IEEE80211_FTYPE_DATA: {
+		DECLARE_MAC_BUF(mac1);
+		DECLARE_MAC_BUF(mac2);
+		DECLARE_MAC_BUF(mac3);
+
 		if (priv->iw_mode == IEEE80211_IF_TYPE_AP)
 			iwl4965_update_ps_mode(priv, fc  & IEEE80211_FCTL_PM,
 						header->addr2);
 
 		if (unlikely(!network_packet))
 			IWL_DEBUG_DROP("Dropping (non network): "
-				       MAC_FMT ", " MAC_FMT ", "
-				       MAC_FMT "\n",
-				       MAC_ARG(header->addr1),
-				       MAC_ARG(header->addr2),
-				       MAC_ARG(header->addr3));
+				       "%s, %s, %s\n",
+				       print_mac(mac1, header->addr1),
+				       print_mac(mac2, header->addr2),
+				       print_mac(mac3, header->addr3));
 		else if (unlikely(is_duplicate_packet(priv, header)))
-			IWL_DEBUG_DROP("Dropping (dup): " MAC_FMT ", "
-				       MAC_FMT ", " MAC_FMT "\n",
-				       MAC_ARG(header->addr1),
-				       MAC_ARG(header->addr2),
-				       MAC_ARG(header->addr3));
+			IWL_DEBUG_DROP("Dropping (dup): %s, %s, %s\n",
+				       print_mac(mac1, header->addr1),
+				       print_mac(mac2, header->addr2),
+				       print_mac(mac3, header->addr3));
 		else
 			iwl4965_handle_data_packet(priv, 1, include_phy, rxb,
 						   &stats);
 		break;
+	}
 	default:
 		break;
 
@@ -4106,10 +4113,12 @@
 
 	/* TODO: Need to get this copy more sefely - now good for debug */
 /*
-	IWL_DEBUG_TX_REPLY("REPLY_COMPRESSED_BA [%d]Received from " MAC_FMT ",
-			   sta_id = %d\n",
+	{
+	DECLARE_MAC_BUF(mac);
+	IWL_DEBUG_TX_REPLY("REPLY_COMPRESSED_BA [%d]Received from %s, "
+			   "sta_id = %d\n",
 			   agg->wait_for_ba,
-			   MAC_ARG((u8*) &ba_resp->sta_addr_lo32),
+			   print_mac(mac, (u8*) &ba_resp->sta_addr_lo32),
 			   ba_resp->sta_id);
 	IWL_DEBUG_TX_REPLY("TID = %d, SeqCtl = %d, bitmap = 0x%X%X, scd_flow = "
 			   "%d, scd_ssn = %d\n",
@@ -4123,6 +4132,7 @@
 			   agg->start_idx,
 			   agg->bitmap1,
 			   agg->bitmap0);
+	}
 */
 	iwl4965_tx_status_reply_compressed_ba(priv, agg, ba_resp);
 	/* releases all the TFDs until the SSN */
@@ -4539,14 +4549,15 @@
 	int ssn = -1;
 	unsigned long flags;
 	struct iwl_tid_data *tid_data;
+	DECLARE_MAC_BUF(mac);
 
 	if (likely(tid < ARRAY_SIZE(default_tid_to_tx_fifo)))
 		tx_fifo = default_tid_to_tx_fifo[tid];
 	else
 		return -EINVAL;
 
-	IWL_WARNING("iwl-AGG iwl_mac_ht_tx_agg_start on da=" MAC_FMT
-		    " tid=%d\n", MAC_ARG(da), tid);
+	IWL_WARNING("iwl-AGG iwl_mac_ht_tx_agg_start on da=%s"
+		    " tid=%d\n", print_mac(mac, da), tid);
 
 	sta_id = iwl_hw_find_station(priv, da);
 	if (sta_id == IWL_INVALID_STATION)
@@ -4577,6 +4588,8 @@
 	int tx_fifo_id, txq_id, sta_id, ssn = -1;
 	struct iwl_tid_data *tid_data;
 	int rc;
+	DECLARE_MAC_BUF(mac);
+
 	if (!da) {
 		IWL_ERROR("%s: da = NULL\n", __func__);
 		return -EINVAL;
@@ -4602,8 +4615,8 @@
 		return rc;
 
 	iwl4965_ba_status(priv, tid, BA_STATUS_INITIATOR_DELBA);
-	IWL_DEBUG_INFO("iwl_mac_ht_tx_agg_stop on da=" MAC_FMT " tid=%d\n",
-		    MAC_ARG(da), tid);
+	IWL_DEBUG_INFO("iwl_mac_ht_tx_agg_stop on da=%s tid=%d\n",
+		       print_mac(mac, da), tid);
 
 	return 0;
 }
@@ -4613,9 +4626,10 @@
 {
 	struct iwl_priv *priv = hw->priv;
 	int sta_id;
+	DECLARE_MAC_BUF(mac);
 
-	IWL_WARNING("iwl-AGG iwl_mac_ht_rx_agg_start on da=" MAC_FMT
-		    " tid=%d\n", MAC_ARG(da), tid);
+	IWL_WARNING("iwl-AGG iwl_mac_ht_rx_agg_start on da=%s"
+		    " tid=%d\n", print_mac(mac, da), tid);
 	sta_id = iwl_hw_find_station(priv, da);
 	iwl4965_sta_modify_add_ba_tid(priv, sta_id, tid, start_seq_num);
 	return 0;
@@ -4626,9 +4640,10 @@
 {
 	struct iwl_priv *priv = hw->priv;
 	int sta_id;
+	DECLARE_MAC_BUF(mac);
 
-	IWL_WARNING("iwl-AGG iwl_mac_ht_rx_agg_stop on da=" MAC_FMT " tid=%d\n",
-		     MAC_ARG(da), tid);
+	IWL_WARNING("iwl-AGG iwl_mac_ht_rx_agg_stop on da=%s tid=%d\n",
+		    print_mac(mac, da), tid);
 	sta_id = iwl_hw_find_station(priv, da);
 	iwl4965_sta_modify_del_ba_tid(priv, sta_id, tid);
 	return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 474b640..cc405f4 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -460,6 +460,7 @@
 	int index = IWL_INVALID_STATION;
 	struct iwl_station_entry *station;
 	unsigned long flags_spin;
+	DECLARE_MAC_BUF(mac);
 
 	spin_lock_irqsave(&priv->sta_lock, flags_spin);
 	if (is_ap)
@@ -492,7 +493,7 @@
 		return index;
 	}
 
-	IWL_DEBUG_ASSOC("Add STA ID %d: " MAC_FMT "\n", index, MAC_ARG(addr));
+	IWL_DEBUG_ASSOC("Add STA ID %d: %s\n", index, print_mac(mac, addr));
 	station = &priv->stations[index];
 	station->used = 1;
 	priv->num_stations++;
@@ -1064,6 +1065,7 @@
 	/* cast away the const for active_rxon in this function */
 	struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
 	int rc = 0;
+	DECLARE_MAC_BUF(mac);
 
 	if (!iwl_is_alive(priv))
 		return -1;
@@ -1134,11 +1136,11 @@
 	IWL_DEBUG_INFO("Sending RXON\n"
 		       "* with%s RXON_FILTER_ASSOC_MSK\n"
 		       "* channel = %d\n"
-		       "* bssid = " MAC_FMT "\n",
+		       "* bssid = %s\n",
 		       ((priv->staging_rxon.filter_flags &
 			 RXON_FILTER_ASSOC_MSK) ? "" : "out"),
 		       le16_to_cpu(priv->staging_rxon.channel),
-		       MAC_ARG(priv->staging_rxon.bssid_addr));
+		       print_mac(mac, priv->staging_rxon.bssid_addr));
 
 	/* Apply the new configuration */
 	rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
@@ -2693,7 +2695,9 @@
 
 	/* If this frame is part of a IBSS network, then we use the
 	 * target specific station id */
-	case IEEE80211_IF_TYPE_IBSS:
+	case IEEE80211_IF_TYPE_IBSS: {
+		DECLARE_MAC_BUF(mac);
+
 		sta_id = iwl_hw_find_station(priv, hdr->addr1);
 		if (sta_id != IWL_INVALID_STATION)
 			return sta_id;
@@ -2703,12 +2707,12 @@
 		if (sta_id != IWL_INVALID_STATION)
 			return sta_id;
 
-		IWL_DEBUG_DROP("Station " MAC_FMT " not in station map. "
+		IWL_DEBUG_DROP("Station %s not in station map. "
 			       "Defaulting to broadcast...\n",
-			       MAC_ARG(hdr->addr1));
+			       print_mac(mac, hdr->addr1));
 		iwl_print_hex_dump(IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr));
 		return priv->hw_setting.bcast_sta_id;
-
+	}
 	default:
 		IWL_WARNING("Unkown mode of operation: %d", priv->iw_mode);
 		return priv->hw_setting.bcast_sta_id;
@@ -2781,8 +2785,10 @@
 	hdr_len = ieee80211_get_hdrlen(fc);
 	sta_id = iwl_get_sta_id(priv, hdr);
 	if (sta_id == IWL_INVALID_STATION) {
-		IWL_DEBUG_DROP("Dropping - INVALID STATION: " MAC_FMT "\n",
-			       MAC_ARG(hdr->addr1));
+		DECLARE_MAC_BUF(mac);
+
+		IWL_DEBUG_DROP("Dropping - INVALID STATION: %s\n",
+			       print_mac(mac, hdr->addr1));
 		goto drop;
 	}
 
@@ -4385,6 +4391,8 @@
 #ifdef CONFIG_IWLWIFI_DEBUG
 static void iwl_print_rx_config_cmd(struct iwl_rxon_cmd *rxon)
 {
+	DECLARE_MAC_BUF(mac);
+
 	IWL_DEBUG_RADIO("RX CONFIG:\n");
 	iwl_print_hex_dump(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
 	IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon->channel));
@@ -4395,10 +4403,10 @@
 	IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n",
 			rxon->ofdm_basic_rates);
 	IWL_DEBUG_RADIO("u8 cck_basic_rates: 0x%02x\n", rxon->cck_basic_rates);
-	IWL_DEBUG_RADIO("u8[6] node_addr: " MAC_FMT "\n",
-			MAC_ARG(rxon->node_addr));
-	IWL_DEBUG_RADIO("u8[6] bssid_addr: " MAC_FMT "\n",
-			MAC_ARG(rxon->bssid_addr));
+	IWL_DEBUG_RADIO("u8[6] node_addr: %s\n",
+			print_mac(mac, rxon->node_addr));
+	IWL_DEBUG_RADIO("u8[6] bssid_addr: %s\n",
+			print_mac(mac, rxon->bssid_addr));
 	IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id));
 }
 #endif
@@ -6322,6 +6330,7 @@
 
 static int __iwl_up(struct iwl_priv *priv)
 {
+	DECLARE_MAC_BUF(mac);
 	int rc, i;
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
@@ -6381,8 +6390,8 @@
 
 		/* MAC Address location in EEPROM same for 3945/4965 */
 		get_eeprom_mac(priv, priv->mac_addr);
-		IWL_DEBUG_INFO("MAC address: " MAC_FMT "\n",
-			       MAC_ARG(priv->mac_addr));
+		IWL_DEBUG_INFO("MAC address: %s\n",
+			       print_mac(mac, priv->mac_addr));
 
 		SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
 
@@ -6728,6 +6737,7 @@
 
 	int rc = 0;
 	struct ieee80211_conf *conf = NULL;
+	DECLARE_MAC_BUF(mac);
 
 	if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
 		IWL_ERROR("%s Should not be called in AP mode\n", __FUNCTION__);
@@ -6735,8 +6745,9 @@
 	}
 
 
-	IWL_DEBUG_ASSOC("Associated as %d to: " MAC_FMT "\n",
-			priv->assoc_id, MAC_ARG(priv->active_rxon.bssid_addr));
+	IWL_DEBUG_ASSOC("Associated as %d to: %s\n",
+			priv->assoc_id,
+			print_mac(mac, priv->active_rxon.bssid_addr));
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
@@ -6916,11 +6927,12 @@
 {
 	struct iwl_priv *priv = hw->priv;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac);
 
 	IWL_DEBUG_MAC80211("enter: id %d, type %d\n", conf->if_id, conf->type);
 	if (conf->mac_addr)
-		IWL_DEBUG_MAC80211("enter: MAC " MAC_FMT "\n",
-				   MAC_ARG(conf->mac_addr));
+		IWL_DEBUG_MAC80211("enter: MAC %s\n",
+				   print_mac(mac, conf->mac_addr));
 
 	if (priv->interface_id) {
 		IWL_DEBUG_MAC80211("leave - interface_id != 0\n");
@@ -7094,6 +7106,7 @@
 				    struct ieee80211_if_conf *conf)
 {
 	struct iwl_priv *priv = hw->priv;
+	DECLARE_MAC_BUF(mac);
 	unsigned long flags;
 	int rc;
 
@@ -7111,8 +7124,8 @@
 
 	IWL_DEBUG_MAC80211("enter: interface id %d\n", if_id);
 	if (conf->bssid)
-		IWL_DEBUG_MAC80211("bssid: " MAC_FMT "\n",
-				   MAC_ARG(conf->bssid));
+		IWL_DEBUG_MAC80211("bssid: %s\n",
+				   print_mac(mac, conf->bssid));
 
 	if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) &&
 	    !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) {
@@ -7131,8 +7144,8 @@
 		if (!conf->bssid) {
 			conf->bssid = priv->mac_addr;
 			memcpy(priv->bssid, priv->mac_addr, ETH_ALEN);
-			IWL_DEBUG_MAC80211("bssid was set to: " MAC_FMT "\n",
-					   MAC_ARG(conf->bssid));
+			IWL_DEBUG_MAC80211("bssid was set to: %s\n",
+					   print_mac(mac, conf->bssid));
 		}
 		if (priv->ibss_beacon)
 			dev_kfree_skb(priv->ibss_beacon);
@@ -7282,8 +7295,10 @@
 
 	sta_id = iwl_hw_find_station(priv, addr);
 	if (sta_id == IWL_INVALID_STATION) {
-		IWL_DEBUG_MAC80211("leave - " MAC_FMT " not in station map.\n",
-				   MAC_ARG(addr));
+		DECLARE_MAC_BUF(mac);
+
+		IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
+				   print_mac(mac, addr));
 		return -EINVAL;
 	}
 
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index b79dabc..6cea311 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -459,6 +459,7 @@
 	int index = IWL_INVALID_STATION;
 	struct iwl_station_entry *station;
 	unsigned long flags_spin;
+	DECLARE_MAC_BUF(mac);
 
 	spin_lock_irqsave(&priv->sta_lock, flags_spin);
 	if (is_ap)
@@ -493,7 +494,7 @@
 	}
 
 
-	IWL_DEBUG_ASSOC("Add STA ID %d: " MAC_FMT "\n", index, MAC_ARG(addr));
+	IWL_DEBUG_ASSOC("Add STA ID %d: %s\n", index, print_mac(mac, addr));
 	station = &priv->stations[index];
 	station->used = 1;
 	priv->num_stations++;
@@ -1083,6 +1084,7 @@
 {
 	/* cast away the const for active_rxon in this function */
 	struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
+	DECLARE_MAC_BUF(mac);
 	int rc = 0;
 
 	if (!iwl_is_alive(priv))
@@ -1160,11 +1162,11 @@
 	IWL_DEBUG_INFO("Sending RXON\n"
 		       "* with%s RXON_FILTER_ASSOC_MSK\n"
 		       "* channel = %d\n"
-		       "* bssid = " MAC_FMT "\n",
+		       "* bssid = %s\n",
 		       ((priv->staging_rxon.filter_flags &
 			 RXON_FILTER_ASSOC_MSK) ? "" : "out"),
 		       le16_to_cpu(priv->staging_rxon.channel),
-		       MAC_ARG(priv->staging_rxon.bssid_addr));
+		       print_mac(mac, priv->staging_rxon.bssid_addr));
 
 	/* Apply the new configuration */
 	rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
@@ -2748,6 +2750,7 @@
 {
 	int sta_id;
 	u16 fc = le16_to_cpu(hdr->frame_control);
+	DECLARE_MAC_BUF(mac);
 
 	/* If this frame is broadcast or not data then use the broadcast
 	 * station id */
@@ -2781,9 +2784,9 @@
 		if (sta_id != IWL_INVALID_STATION)
 			return sta_id;
 
-		IWL_DEBUG_DROP("Station " MAC_FMT " not in station map. "
+		IWL_DEBUG_DROP("Station %s not in station map. "
 			       "Defaulting to broadcast...\n",
-			       MAC_ARG(hdr->addr1));
+			       print_mac(mac, hdr->addr1));
 		iwl_print_hex_dump(IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr));
 		return priv->hw_setting.bcast_sta_id;
 
@@ -2859,8 +2862,10 @@
 	hdr_len = ieee80211_get_hdrlen(fc);
 	sta_id = iwl_get_sta_id(priv, hdr);
 	if (sta_id == IWL_INVALID_STATION) {
-		IWL_DEBUG_DROP("Dropping - INVALID STATION: " MAC_FMT "\n",
-			       MAC_ARG(hdr->addr1));
+		DECLARE_MAC_BUF(mac);
+
+		IWL_DEBUG_DROP("Dropping - INVALID STATION: %s\n",
+			       print_mac(mac, hdr->addr1));
 		goto drop;
 	}
 
@@ -4703,6 +4708,8 @@
 #ifdef CONFIG_IWLWIFI_DEBUG
 static void iwl_print_rx_config_cmd(struct iwl_rxon_cmd *rxon)
 {
+	DECLARE_MAC_BUF(mac);
+
 	IWL_DEBUG_RADIO("RX CONFIG:\n");
 	iwl_print_hex_dump(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
 	IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon->channel));
@@ -4713,10 +4720,10 @@
 	IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n",
 			rxon->ofdm_basic_rates);
 	IWL_DEBUG_RADIO("u8 cck_basic_rates: 0x%02x\n", rxon->cck_basic_rates);
-	IWL_DEBUG_RADIO("u8[6] node_addr: " MAC_FMT "\n",
-			MAC_ARG(rxon->node_addr));
-	IWL_DEBUG_RADIO("u8[6] bssid_addr: " MAC_FMT "\n",
-			MAC_ARG(rxon->bssid_addr));
+	IWL_DEBUG_RADIO("u8[6] node_addr: %s\n",
+			print_mac(mac, rxon->node_addr));
+	IWL_DEBUG_RADIO("u8[6] bssid_addr: %s\n",
+			print_mac(mac, rxon->bssid_addr));
 	IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id));
 }
 #endif
@@ -6670,6 +6677,7 @@
 
 static int __iwl_up(struct iwl_priv *priv)
 {
+	DECLARE_MAC_BUF(mac);
 	int rc, i;
 	u32 hw_rf_kill = 0;
 
@@ -6742,8 +6750,8 @@
 
 		/* MAC Address location in EEPROM same for 3945/4965 */
 		get_eeprom_mac(priv, priv->mac_addr);
-		IWL_DEBUG_INFO("MAC address: " MAC_FMT "\n",
-			       MAC_ARG(priv->mac_addr));
+		IWL_DEBUG_INFO("MAC address: %s\n",
+			       print_mac(mac, priv->mac_addr));
 
 		SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
 
@@ -7096,14 +7104,16 @@
 
 	int rc = 0;
 	struct ieee80211_conf *conf = NULL;
+	DECLARE_MAC_BUF(mac);
 
 	if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
 		IWL_ERROR("%s Should not be called in AP mode\n", __FUNCTION__);
 		return;
 	}
 
-	IWL_DEBUG_ASSOC("Associated as %d to: " MAC_FMT "\n",
-			priv->assoc_id, MAC_ARG(priv->active_rxon.bssid_addr));
+	IWL_DEBUG_ASSOC("Associated as %d to: %s\n",
+			priv->assoc_id,
+			print_mac(mac, priv->active_rxon.bssid_addr));
 
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
@@ -7299,11 +7309,12 @@
 {
 	struct iwl_priv *priv = hw->priv;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac);
 
 	IWL_DEBUG_MAC80211("enter: id %d, type %d\n", conf->if_id, conf->type);
 	if (conf->mac_addr)
-		IWL_DEBUG_MAC80211("enter: MAC " MAC_FMT "\n",
-				   MAC_ARG(conf->mac_addr));
+		IWL_DEBUG_MAC80211("enter: MAC %s\n",
+				   print_mac(mac, conf->mac_addr));
 
 	if (priv->interface_id) {
 		IWL_DEBUG_MAC80211("leave - interface_id != 0\n");
@@ -7494,6 +7505,7 @@
 				    struct ieee80211_if_conf *conf)
 {
 	struct iwl_priv *priv = hw->priv;
+	DECLARE_MAC_BUF(mac);
 	unsigned long flags;
 	int rc;
 
@@ -7511,8 +7523,8 @@
 
 	IWL_DEBUG_MAC80211("enter: interface id %d\n", if_id);
 	if (conf->bssid)
-		IWL_DEBUG_MAC80211("bssid: " MAC_FMT "\n",
-				   MAC_ARG(conf->bssid));
+		IWL_DEBUG_MAC80211("bssid: %s\n",
+				   print_mac(mac, conf->bssid));
 
 	if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) &&
 	    !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) {
@@ -7531,8 +7543,8 @@
 		if (!conf->bssid) {
 			conf->bssid = priv->mac_addr;
 			memcpy(priv->bssid, priv->mac_addr, ETH_ALEN);
-			IWL_DEBUG_MAC80211("bssid was set to: " MAC_FMT "\n",
-					   MAC_ARG(conf->bssid));
+			IWL_DEBUG_MAC80211("bssid was set to: %s\n",
+					   print_mac(mac, conf->bssid));
 		}
 		if (priv->ibss_beacon)
 			dev_kfree_skb(priv->ibss_beacon);
@@ -7666,6 +7678,7 @@
 			   struct ieee80211_key_conf *key)
 {
 	struct iwl_priv *priv = hw->priv;
+	DECLARE_MAC_BUF(mac);
 	int rc = 0;
 	u8 sta_id;
 
@@ -7682,8 +7695,8 @@
 
 	sta_id = iwl_hw_find_station(priv, addr);
 	if (sta_id == IWL_INVALID_STATION) {
-		IWL_DEBUG_MAC80211("leave - " MAC_FMT " not in station map.\n",
-				   MAC_ARG(addr));
+		IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
+				   print_mac(mac, addr));
 		return -EINVAL;
 	}
 
diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 3131afc..2c6ddb1 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -16,6 +16,7 @@
 
 static void print_assoc_req(const char * extra, struct assoc_request * assoc_req)
 {
+	DECLARE_MAC_BUF(mac);
 	lbs_deb_assoc(
 	       "#### Association Request: %s\n"
 	       "       flags:      0x%08lX\n"
@@ -23,13 +24,13 @@
 	       "       channel:    %d\n"
 	       "       band:       %d\n"
 	       "       mode:       %d\n"
-	       "       BSSID:      " MAC_FMT "\n"
+	       "       BSSID:      %s\n"
 	       "       Encryption:%s%s%s\n"
 	       "       auth:       %d\n",
 	       extra, assoc_req->flags,
 	       escape_essid(assoc_req->ssid, assoc_req->ssid_len),
 	       assoc_req->channel, assoc_req->band, assoc_req->mode,
-	       MAC_ARG(assoc_req->bssid),
+	       print_mac(mac, assoc_req->bssid),
 	       assoc_req->secinfo.WPAenabled ? " WPA" : "",
 	       assoc_req->secinfo.WPA2enabled ? " WPA2" : "",
 	       assoc_req->secinfo.wep_enabled ? " WEP" : "",
@@ -104,16 +105,17 @@
 	wlan_adapter *adapter = priv->adapter;
 	int ret = 0;
 	struct bss_descriptor * bss;
+	DECLARE_MAC_BUF(mac);
 
-	lbs_deb_enter_args(LBS_DEB_ASSOC, "BSSID " MAC_FMT,
-		MAC_ARG(assoc_req->bssid));
+	lbs_deb_enter_args(LBS_DEB_ASSOC, "BSSID %s",
+		print_mac(mac, assoc_req->bssid));
 
 	/* Search for index position in list for requested MAC */
 	bss = libertas_find_bssid_in_list(adapter, assoc_req->bssid,
 			    assoc_req->mode);
 	if (bss == NULL) {
-		lbs_deb_assoc("ASSOC: WAP: BSSID " MAC_FMT " not found, "
-			"cannot associate.\n", MAC_ARG(assoc_req->bssid));
+		lbs_deb_assoc("ASSOC: WAP: BSSID %s not found, "
+			"cannot associate.\n", print_mac(mac, assoc_req->bssid));
 		goto out;
 	}
 
@@ -481,6 +483,7 @@
 	struct assoc_request * assoc_req = NULL;
 	int ret = 0;
 	int find_any_ssid = 0;
+	DECLARE_MAC_BUF(mac);
 
 	lbs_deb_enter(LBS_DEB_ASSOC);
 
@@ -629,10 +632,10 @@
 
 		if (success) {
 			lbs_deb_assoc("ASSOC: association attempt successful. "
-				"Associated to '%s' (" MAC_FMT ")\n",
+				"Associated to '%s' (%s)\n",
 				escape_essid(adapter->curbssparams.ssid,
 				             adapter->curbssparams.ssid_len),
-				MAC_ARG(adapter->curbssparams.bssid));
+				print_mac(mac, adapter->curbssparams.bssid));
 			libertas_prepare_and_send_command(priv,
 				CMD_802_11_RSSI,
 				0, CMD_OPTION_WAITFORRSP, 0, NULL);
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index d64ad87..fe70e30 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -159,6 +159,7 @@
 	struct cmd_ds_get_hw_spec *hwspec = &resp->params.hwspec;
 	wlan_adapter *adapter = priv->adapter;
 	int ret = 0;
+	DECLARE_MAC_BUF(mac);
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
@@ -169,8 +170,8 @@
 	lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
 		    adapter->fwreleasenumber[2], adapter->fwreleasenumber[1],
 		    adapter->fwreleasenumber[0], adapter->fwreleasenumber[3]);
-	lbs_deb_cmd("GET_HW_SPEC: MAC addr " MAC_FMT "\n",
-	       MAC_ARG(hwspec->permanentaddr));
+	lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
+		    print_mac(mac, hwspec->permanentaddr));
 	lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
 	       hwspec->hwifversion, hwspec->version);
 
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index 816f42e..cb00b08 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -63,6 +63,7 @@
 	int numscansdone = 0, res;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *)addr;
+	DECLARE_MAC_BUF(mac);
 	struct bss_descriptor * iter_bss;
 
 	pos += snprintf(buf+pos, len-pos,
@@ -75,9 +76,9 @@
 		u16 spectrum_mgmt = (iter_bss->capability & WLAN_CAPABILITY_SPECTRUM_MGMT);
 
 		pos += snprintf(buf+pos, len-pos,
-			"%02u| %03d | %04ld | " MAC_FMT " |",
+			"%02u| %03d | %04ld | %s |",
 			numscansdone, iter_bss->channel, iter_bss->rssi,
-			MAC_ARG(iter_bss->bssid));
+			print_mac(mac, iter_bss->bssid));
 		pos += snprintf(buf+pos, len-pos, " %04x-", iter_bss->capability);
 		pos += snprintf(buf+pos, len-pos, "%c%c%c |",
 				ibss ? 'A' : 'I', privacy ? 'P' : ' ',
diff --git a/drivers/net/wireless/libertas/join.c b/drivers/net/wireless/libertas/join.c
index 0ad1362..8dcff00 100644
--- a/drivers/net/wireless/libertas/join.c
+++ b/drivers/net/wireless/libertas/join.c
@@ -293,6 +293,7 @@
 	struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth;
 	int ret = -1;
 	u8 *bssid = pdata_buf;
+	DECLARE_MAC_BUF(mac);
 
 	lbs_deb_enter(LBS_DEB_JOIN);
 
@@ -319,8 +320,8 @@
 
 	memcpy(pauthenticate->macaddr, bssid, ETH_ALEN);
 
-	lbs_deb_join("AUTH_CMD: BSSID is : " MAC_FMT " auth=0x%X\n",
-	             MAC_ARG(bssid), pauthenticate->authtype);
+	lbs_deb_join("AUTH_CMD: BSSID is : %s auth=0x%X\n",
+	             print_mac(mac, bssid), pauthenticate->authtype);
 	ret = 0;
 
 out:
@@ -598,6 +599,7 @@
 	int cmdappendsize = 0;
 	int ret = 0;
 	u16 ratesize = 0;
+	DECLARE_MAC_BUF(mac);
 
 	lbs_deb_enter(LBS_DEB_JOIN);
 
@@ -621,8 +623,9 @@
 
 	/* information on BSSID descriptor passed to FW */
 	lbs_deb_join(
-	       "ADHOC_J_CMD: BSSID = " MAC_FMT ", SSID = '%s'\n",
-	       MAC_ARG(join_cmd->bss.bssid), join_cmd->bss.ssid);
+	       "ADHOC_J_CMD: BSSID = %s, SSID = '%s'\n",
+	       print_mac(mac, join_cmd->bss.bssid),
+	       join_cmd->bss.ssid);
 
 	/* failtimeout */
 	join_cmd->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
@@ -829,6 +832,7 @@
 	struct cmd_ds_802_11_ad_hoc_result *padhocresult;
 	union iwreq_data wrqu;
 	struct bss_descriptor *bss;
+	DECLARE_MAC_BUF(mac);
 
 	lbs_deb_enter(LBS_DEB_JOIN);
 
@@ -894,8 +898,8 @@
 
 	lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n");
 	lbs_deb_join("ADHOC_RESP: channel = %d\n", adapter->curbssparams.channel);
-	lbs_deb_join("ADHOC_RESP: BSSID = " MAC_FMT "\n",
-	       MAC_ARG(padhocresult->bssid));
+	lbs_deb_join("ADHOC_RESP: BSSID = %s\n",
+		     print_mac(mac, padhocresult->bssid));
 
 done:
 	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index a54171a..5ead083 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -677,6 +677,7 @@
 	wlan_private *priv = dev->priv;
 	wlan_adapter *adapter = priv->adapter;
 	int oldpacketfilter;
+	DECLARE_MAC_BUF(mac);
 
 	lbs_deb_enter(LBS_DEB_NET);
 
@@ -723,14 +724,9 @@
 				       dev->mc_count);
 
 				for (i = 0; i < dev->mc_count; i++) {
-					lbs_deb_net("Multicast address %d:"
-					       MAC_FMT "\n", i,
-					       adapter->multicastlist[i][0],
-					       adapter->multicastlist[i][1],
-					       adapter->multicastlist[i][2],
-					       adapter->multicastlist[i][3],
-					       adapter->multicastlist[i][4],
-					       adapter->multicastlist[i][5]);
+					lbs_deb_net("Multicast address %d:%s\n",
+					       i, print_mac(mac,
+					       adapter->multicastlist[i]));
 				}
 				/* send multicast addresses to firmware */
 				libertas_prepare_and_send_command(priv,
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index e2e9ebc..8f073ad 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -777,6 +777,7 @@
 #ifdef CONFIG_LIBERTAS_DEBUG
 	struct bss_descriptor * iter_bss;
 	int i = 0;
+	DECLARE_MAC_BUF(mac);
 #endif
 
 	lbs_deb_enter(LBS_DEB_SCAN);
@@ -831,8 +832,8 @@
 	/* Dump the scan table */
 	mutex_lock(&adapter->lock);
 	list_for_each_entry (iter_bss, &adapter->network_list, list) {
-		lbs_deb_scan("Scan:(%02d) " MAC_FMT ", RSSI[%03d], SSID[%s]\n",
-		       i++, MAC_ARG(iter_bss->bssid), (s32) iter_bss->rssi,
+		lbs_deb_scan("Scan:(%02d) %s, RSSI[%03d], SSID[%s]\n",
+		       i++, print_mac(mac, iter_bss->bssid), (s32) iter_bss->rssi,
 		       escape_essid(iter_bss->ssid, iter_bss->ssid_len));
 	}
 	mutex_unlock(&adapter->lock);
@@ -876,6 +877,7 @@
 	struct ieeetypes_dsparamset *pDS;
 	struct ieeetypes_cfparamset *pCF;
 	struct ieeetypes_ibssparamset *pibss;
+	DECLARE_MAC_BUF(mac);
 	struct ieeetypes_countryinfoset *pcountryinfo;
 	u8 *pos, *end, *p;
 	u8 n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
@@ -906,7 +908,7 @@
 	*bytesleft -= beaconsize;
 
 	memcpy(bss->bssid, pos, ETH_ALEN);
-	lbs_deb_scan("process_bss: AP BSSID " MAC_FMT "\n", MAC_ARG(bss->bssid));
+	lbs_deb_scan("process_bss: AP BSSID %s\n", print_mac(mac, bss->bssid));
 	pos += ETH_ALEN;
 
 	if ((end - pos) < 12) {
@@ -1724,6 +1726,7 @@
 		struct bss_descriptor new;
 		struct bss_descriptor * found = NULL;
 		struct bss_descriptor * oldest = NULL;
+		DECLARE_MAC_BUF(mac);
 
 		/* Process the data fields and IEs returned for this BSS */
 		memset(&new, 0, sizeof (struct bss_descriptor));
@@ -1762,9 +1765,8 @@
 			continue;
 		}
 
-		lbs_deb_scan("SCAN_RESP: BSSID = " MAC_FMT "\n",
-		       new.bssid[0], new.bssid[1], new.bssid[2],
-		       new.bssid[3], new.bssid[4], new.bssid[5]);
+		lbs_deb_scan("SCAN_RESP: BSSID = %s\n",
+			     print_mac(mac, new.bssid));
 
 		/* Copy the locally created newbssentry to the scan table */
 		memcpy(found, &new, offsetof(struct bss_descriptor, list));
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index f8036ef..0b2103e 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -1160,7 +1160,7 @@
 
 	dwrq->flags |= IW_ENCODE_NOKEY;
 
-	lbs_deb_wext("key: " MAC_FMT ", keylen %d\n",
+	lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
 	       extra[0], extra[1], extra[2],
 	       extra[3], extra[4], extra[5], dwrq->length);
 
@@ -1980,13 +1980,14 @@
 	wlan_adapter *adapter = priv->adapter;
 	struct assoc_request * assoc_req;
 	int ret = 0;
+	DECLARE_MAC_BUF(mac);
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
 	if (awrq->sa_family != ARPHRD_ETHER)
 		return -EINVAL;
 
-	lbs_deb_wext("ASSOC: WAP: sa_data " MAC_FMT "\n", MAC_ARG(awrq->sa_data));
+	lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
 
 	mutex_lock(&adapter->lock);
 
diff --git a/drivers/net/wireless/netwave_cs.c b/drivers/net/wireless/netwave_cs.c
index d8a59af..c2d71af 100644
--- a/drivers/net/wireless/netwave_cs.c
+++ b/drivers/net/wireless/netwave_cs.c
@@ -737,6 +737,7 @@
     win_req_t req;
     memreq_t mem;
     u_char __iomem *ramBase = NULL;
+    DECLARE_MAC_BUF(mac);
 
     DEBUG(0, "netwave_pcmcia_config(0x%p)\n", link);
 
@@ -805,12 +806,13 @@
     for (i = 0; i < 6; i++) 
 	dev->dev_addr[i] = readb(ramBase + NETWAVE_EREG_PA + i);
 
-    printk(KERN_INFO "%s: Netwave: port %#3lx, irq %d, mem %lx id "
-	   "%c%c, hw_addr ", dev->name, dev->base_addr, dev->irq,
-	   (u_long) ramBase, (int) readb(ramBase+NETWAVE_EREG_NI),
-	   (int) readb(ramBase+NETWAVE_EREG_NI+1));
-    for (i = 0; i < 6; i++)
-	printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
+    printk(KERN_INFO "%s: Netwave: port %#3lx, irq %d, mem %lx"
+	   "id %c%c, hw_addr %s\n",
+	   dev->name, dev->base_addr, dev->irq,
+	   (u_long) ramBase,
+	   (int) readb(ramBase+NETWAVE_EREG_NI),
+	   (int) readb(ramBase+NETWAVE_EREG_NI+1),
+	   print_mac(mac, dev->dev_addr));
 
     /* get revision words */
     printk(KERN_DEBUG "Netwave_reset: revision %04x %04x\n", 
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 062286d..ca6c2da 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -2232,6 +2232,7 @@
 	struct hermes_idstring nickbuf;
 	u16 reclen;
 	int len;
+	DECLARE_MAC_BUF(mac);
 
 	/* No need to lock, the hw_unavailable flag is already set in
 	 * alloc_orinocodev() */
@@ -2274,10 +2275,8 @@
 		goto out;
 	}
 
-	printk(KERN_DEBUG "%s: MAC address %02X:%02X:%02X:%02X:%02X:%02X\n",
-	       dev->name, dev->dev_addr[0], dev->dev_addr[1],
-	       dev->dev_addr[2], dev->dev_addr[3], dev->dev_addr[4],
-	       dev->dev_addr[5]);
+	printk(KERN_DEBUG "%s: MAC address %s\n",
+	       dev->name, print_mac(mac, dev->dev_addr));
 
 	/* Get the station name */
 	err = hermes_read_ltv(hw, USER_BAP, HERMES_RID_CNFOWNNAME,
diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c
index 77ea13b..6d80ca4 100644
--- a/drivers/net/wireless/prism54/isl_ioctl.c
+++ b/drivers/net/wireless/prism54/isl_ioctl.c
@@ -2029,12 +2029,12 @@
 format_event(islpci_private *priv, char *dest, const char *str,
 	     const struct obj_mlme *mlme, u16 *length, int error)
 {
-	const u8 *a = mlme->address;
+	DECLARE_MAC_BUF(mac);
 	int n = snprintf(dest, IW_CUSTOM_MAX,
-			 "%s %s %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X %s (%2.2X)",
+			 "%s %s %s %s (%2.2X)",
 			 str,
 			 ((priv->iw_mode == IW_MODE_MASTER) ? "from" : "to"),
-			 a[0], a[1], a[2], a[3], a[4], a[5],
+			 print_mac(mac, mlme->address),
 			 (error ? (mlme->code ? " : REJECTED " : " : ACCEPTED ")
 			  : ""), mlme->code);
 	BUG_ON(n > IW_CUSTOM_MAX);
@@ -2105,15 +2105,13 @@
 #define WLAN_EID_GENERIC 0xdd
 static u8 wpa_oid[4] = { 0x00, 0x50, 0xf2, 1 };
 
-#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
-#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
-
 static void
 prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid,
 		       u8 *wpa_ie, size_t wpa_ie_len)
 {
 	struct list_head *ptr;
 	struct islpci_bss_wpa_ie *bss = NULL;
+	DECLARE_MAC_BUF(mac);
 
 	if (wpa_ie_len > MAX_WPA_IE_LEN)
 		wpa_ie_len = MAX_WPA_IE_LEN;
@@ -2154,8 +2152,8 @@
 		bss->wpa_ie_len = wpa_ie_len;
 		bss->last_update = jiffies;
 	} else {
-		printk(KERN_DEBUG "Failed to add BSS WPA entry for " MACSTR
-		       "\n", MAC2STR(bssid));
+		printk(KERN_DEBUG "Failed to add BSS WPA entry for "
+		       "%s\n", print_mac(mac, bssid));
 	}
 
 	/* expire old entries from WPA list */
@@ -2221,6 +2219,7 @@
 {
 	struct ieee80211_beacon_phdr *hdr;
 	u8 *pos, *end;
+	DECLARE_MAC_BUF(mac);
 
 	if (!priv->wpa)
 		return;
@@ -2231,7 +2230,7 @@
 	while (pos < end) {
 		if (pos + 2 + pos[1] > end) {
 			printk(KERN_DEBUG "Parsing Beacon/ProbeResp failed "
-			       "for " MACSTR "\n", MAC2STR(addr));
+			       "for %s\n", print_mac(mac, addr));
 			return;
 		}
 		if (pos[0] == WLAN_EID_GENERIC && pos[1] >= 4 &&
@@ -2270,6 +2269,7 @@
 	size_t len = 0; /* u16, better? */
 	u8 *payload = NULL, *pos = NULL;
 	int ret;
+	DECLARE_MAC_BUF(mac);
 
 	/* I think all trapable objects are listed here.
 	 * Some oids have a EX version. The difference is that they are emitted
@@ -2358,14 +2358,8 @@
 			break;
 
 		memcpy(&confirm->address, mlmeex->address, ETH_ALEN);
-		printk(KERN_DEBUG "Authenticate from: address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
-				mlmeex->address[0],
-				mlmeex->address[1],
-				mlmeex->address[2],
-				mlmeex->address[3],
-				mlmeex->address[4],
-				mlmeex->address[5]
-				);
+		printk(KERN_DEBUG "Authenticate from: address:\t%s\n",
+		       print_mac(mac, mlmeex->address));
 		confirm->id = -1; /* or mlmeex->id ? */
 		confirm->state = 0; /* not used */
 		confirm->code = 0;
@@ -2410,15 +2404,8 @@
 		wpa_ie_len = prism54_wpa_bss_ie_get(priv, mlmeex->address, wpa_ie);
 
 		if (!wpa_ie_len) {
-			printk(KERN_DEBUG "No WPA IE found from "
-					"address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
-				mlmeex->address[0],
-				mlmeex->address[1],
-				mlmeex->address[2],
-				mlmeex->address[3],
-				mlmeex->address[4],
-				mlmeex->address[5]
-				);
+			printk(KERN_DEBUG "No WPA IE found from address:\t%s\n",
+			       print_mac(mac, mlmeex->address));
 			kfree(confirm);
 			break;
 		}
@@ -2454,15 +2441,8 @@
 		wpa_ie_len = prism54_wpa_bss_ie_get(priv, mlmeex->address, wpa_ie);
 
 		if (!wpa_ie_len) {
-			printk(KERN_DEBUG "No WPA IE found from "
-					"address:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
-				mlmeex->address[0],
-				mlmeex->address[1],
-				mlmeex->address[2],
-				mlmeex->address[3],
-				mlmeex->address[4],
-				mlmeex->address[5]
-				);
+			printk(KERN_DEBUG "No WPA IE found from address:\t%s\n",
+			       print_mac(mac, mlmeex->address));
 			kfree(confirm);
 			break;
 		}
diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index 429bca8..f87fe10 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -412,6 +412,7 @@
     memreq_t mem;
     struct net_device *dev = (struct net_device *)link->priv;
     ray_dev_t *local = netdev_priv(dev);
+    DECLARE_MAC_BUF(mac);
 
     DEBUG(1, "ray_config(0x%p)\n", link);
 
@@ -482,10 +483,8 @@
     strcpy(local->node.dev_name, dev->name);
     link->dev_node = &local->node;
 
-    printk(KERN_INFO "%s: RayLink, irq %d, hw_addr ",
-       dev->name, dev->irq);
-    for (i = 0; i < 6; i++)
-    printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
+    printk(KERN_INFO "%s: RayLink, irq %d, hw_addr %s\n",
+       dev->name, dev->irq, print_mac(mac, dev->dev_addr));
 
     return 0;
 
@@ -2610,6 +2609,7 @@
     UCHAR *p;
     struct freq_hop_element *pfh;
     UCHAR c[33];
+    DECLARE_MAC_BUF(mac);
 
     link = this_device;
     if (!link)
@@ -2639,9 +2639,8 @@
                    nettype[local->sparm.b5.a_network_type], c);
 
     p = local->bss_id;
-    len += sprintf(buf + len, 
-                   "BSSID                = %02x:%02x:%02x:%02x:%02x:%02x\n",
-                   p[0],p[1],p[2],p[3],p[4],p[5]);
+    len += sprintf(buf + len, "BSSID                = %s\n",
+                   print_mac(mac, p));
 
     len += sprintf(buf + len, "Country code         = %d\n", 
                    local->sparm.b5.a_curr_country_code);
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 38e2188..398c201 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1362,8 +1362,10 @@
 	 */
 	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
 	if (!is_valid_ether_addr(mac)) {
+		DECLARE_MAC_BUF(macbuf);
+
 		random_ether_addr(mac);
-		EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac));
+		EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
 	}
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index f6115c6..e8d63aa 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1509,8 +1509,11 @@
 	 */
 	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
 	if (!is_valid_ether_addr(mac)) {
+		DECLARE_MAC_BUF(macbuf);
+
 		random_ether_addr(mac);
-		EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac));
+		EEPROM(rt2x00dev, "MAC: %s\n",
+		       print_mac(macbuf, mac));
 	}
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 847bd7f..614600c 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1233,8 +1233,10 @@
 	 */
 	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
 	if (!is_valid_ether_addr(mac)) {
+		DECLARE_MAC_BUF(macbuf);
+
 		random_ether_addr(mac);
-		EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac));
+		EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
 	}
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 730bed5..09c8c96 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2019,8 +2019,10 @@
 	 */
 	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
 	if (!is_valid_ether_addr(mac)) {
+		DECLARE_MAC_BUF(macbuf);
+
 		random_ether_addr(mac);
-		EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac));
+		EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
 	}
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index b047c7c..3397881 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1475,8 +1475,10 @@
 	 */
 	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
 	if (!is_valid_ether_addr(mac)) {
+		DECLARE_MAC_BUF(macbuf);
+
 		random_ether_addr(mac);
-		EEPROM(rt2x00dev, "MAC: " MAC_FMT "\n", MAC_ARG(mac));
+		EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
 	}
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c
index 7dbf11e..bf9f0cc 100644
--- a/drivers/net/wireless/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl8187_dev.c
@@ -574,6 +574,7 @@
 	struct ieee80211_channel *channel;
 	u16 txpwr, reg;
 	int err, i;
+	DECLARE_MAC_BUF(mac);
 
 	dev = ieee80211_alloc_hw(sizeof(*priv), &rtl8187_ops);
 	if (!dev) {
@@ -681,8 +682,8 @@
 		goto err_free_dev;
 	}
 
-	printk(KERN_INFO "%s: hwaddr " MAC_FMT ", rtl8187 V%d + %s\n",
-	       wiphy_name(dev->wiphy), MAC_ARG(dev->wiphy->perm_addr),
+	printk(KERN_INFO "%s: hwaddr %s, rtl8187 V%d + %s\n",
+	       wiphy_name(dev->wiphy), print_mac(mac, dev->wiphy->perm_addr),
 	       priv->asic_rev, priv->rf_init == rtl8225_rf_init ?
 	       "rtl8225" : "rtl8225z2");
 
diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
index 33ed9fe..a1f8a16 100644
--- a/drivers/net/wireless/wavelan.c
+++ b/drivers/net/wireless/wavelan.c
@@ -880,6 +880,8 @@
  */
 static void wv_psa_show(psa_t * p)
 {
+	DECLARE_MAC_BUF(mac);
+
 	printk(KERN_DEBUG "##### WaveLAN PSA contents: #####\n");
 	printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
 	       p->psa_io_base_addr_1,
@@ -891,22 +893,13 @@
 	printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
 	printk("psa_int_req_no: %d\n", p->psa_int_req_no);
 #ifdef DEBUG_SHOW_UNUSED
-	printk(KERN_DEBUG
-	       "psa_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
-	       p->psa_unused0[0], p->psa_unused0[1], p->psa_unused0[2],
-	       p->psa_unused0[3], p->psa_unused0[4], p->psa_unused0[5],
-	       p->psa_unused0[6]);
+	printk(KERN_DEBUG "psa_unused0[]: %s\n",
+	       print_mac(mac, p->psa_unused0));
 #endif				/* DEBUG_SHOW_UNUSED */
-	printk(KERN_DEBUG
-	       "psa_univ_mac_addr[]: %02x:%02x:%02x:%02x:%02x:%02x\n",
-	       p->psa_univ_mac_addr[0], p->psa_univ_mac_addr[1],
-	       p->psa_univ_mac_addr[2], p->psa_univ_mac_addr[3],
-	       p->psa_univ_mac_addr[4], p->psa_univ_mac_addr[5]);
-	printk(KERN_DEBUG
-	       "psa_local_mac_addr[]: %02x:%02x:%02x:%02x:%02x:%02x\n",
-	       p->psa_local_mac_addr[0], p->psa_local_mac_addr[1],
-	       p->psa_local_mac_addr[2], p->psa_local_mac_addr[3],
-	       p->psa_local_mac_addr[4], p->psa_local_mac_addr[5]);
+	printk(KERN_DEBUG "psa_univ_mac_addr[]: %s\n",
+	       print_mac(mac, p->psa_univ_mac_addr));
+	printk(KERN_DEBUG "psa_local_mac_addr[]: %s\n",
+	       print_mac(mac, p->psa_local_mac_addr));
 	printk(KERN_DEBUG "psa_univ_local_sel: %d, ",
 	       p->psa_univ_local_sel);
 	printk("psa_comp_number: %d, ", p->psa_comp_number);
@@ -1248,14 +1241,14 @@
 {				/* Name of the function */
 	int i;
 	int maxi;
+	DECLARE_MAC_BUF(mac);
 
 	printk(KERN_DEBUG
-	       "%s: %s(): dest %02X:%02X:%02X:%02X:%02X:%02X, length %d\n",
-	       msg1, msg2, p[0], p[1], p[2], p[3], p[4], p[5], length);
+	       "%s: %s(): dest %s, length %d\n",
+	       msg1, msg2, print_mac(mac, p), length);
 	printk(KERN_DEBUG
-	       "%s: %s(): src %02X:%02X:%02X:%02X:%02X:%02X, type 0x%02X%02X\n",
-	       msg1, msg2, p[6], p[7], p[8], p[9], p[10], p[11], p[12],
-	       p[13]);
+	       "%s: %s(): src %s, type 0x%02X%02X\n",
+	       msg1, msg2, print_mac(mac, &p[6]), p[12], p[13]);
 
 #ifdef DEBUG_PACKET_DUMP
 
@@ -1286,7 +1279,9 @@
 	short ioaddr = dev->base_addr;
 	net_local *lp = (net_local *) dev->priv;
 	psa_t psa;
-	int i;
+#ifdef DEBUG_BASIC_SHOW
+	DECLARE_MAC_BUF(mac);
+#endif
 
 	/* Read the parameter storage area */
 	psa_read(ioaddr, lp->hacr, 0, (unsigned char *) &psa, sizeof(psa));
@@ -1303,10 +1298,8 @@
 
 #ifdef DEBUG_BASIC_SHOW
 	/* Now, let's go for the basic stuff. */
-	printk(KERN_NOTICE "%s: WaveLAN at %#x,", dev->name, ioaddr);
-	for (i = 0; i < WAVELAN_ADDR_SIZE; i++)
-		printk("%s%02X", (i == 0) ? " " : ":", dev->dev_addr[i]);
-	printk(", IRQ %d", dev->irq);
+	printk(KERN_NOTICE "%s: WaveLAN at %#x, %s, IRQ %d",
+	       dev->name, ioaddr, print_mac(mac, dev->dev_addr), dev->irq);
 
 	/* Print current network ID. */
 	if (psa.psa_nwid_select)
@@ -3596,15 +3589,15 @@
 			      WAVELAN_ADDR_SIZE >> 1);
 
 #ifdef DEBUG_CONFIG_INFO
+ {
+		DECLARE_MAC_BUF(mac);
 		printk(KERN_DEBUG
 		       "%s: wv_82586_config(): set %d multicast addresses:\n",
 		       dev->name, lp->mc_count);
 		for (dmi = dev->mc_list; dmi; dmi = dmi->next)
-			printk(KERN_DEBUG
-			       " %02x:%02x:%02x:%02x:%02x:%02x\n",
-			       dmi->dmi_addr[0], dmi->dmi_addr[1],
-			       dmi->dmi_addr[2], dmi->dmi_addr[3],
-			       dmi->dmi_addr[4], dmi->dmi_addr[5]);
+			printk(KERN_DEBUG " %s\n",
+			       print_mac(mac, dmi->dmi_addr));
+ }
 #endif
 	}
 
diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c
index 9b7f449..577c647 100644
--- a/drivers/net/wireless/wavelan_cs.c
+++ b/drivers/net/wireless/wavelan_cs.c
@@ -1042,6 +1042,7 @@
 static void
 wv_psa_show(psa_t *	p)
 {
+  DECLARE_MAC_BUF(mac);
   printk(KERN_DEBUG "##### wavelan psa contents: #####\n");
   printk(KERN_DEBUG "psa_io_base_addr_1: 0x%02X %02X %02X %02X\n",
 	 p->psa_io_base_addr_1,
@@ -1055,29 +1056,13 @@
   printk(KERN_DEBUG "psa_holi_params: 0x%02x, ", p->psa_holi_params);
   printk("psa_int_req_no: %d\n", p->psa_int_req_no);
 #ifdef DEBUG_SHOW_UNUSED
-  printk(KERN_DEBUG "psa_unused0[]: %02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
-	 p->psa_unused0[0],
-	 p->psa_unused0[1],
-	 p->psa_unused0[2],
-	 p->psa_unused0[3],
-	 p->psa_unused0[4],
-	 p->psa_unused0[5],
-	 p->psa_unused0[6]);
+  printk(KERN_DEBUG "psa_unused0[]: %s\n",
+	 print_mac(mac, p->psa_unused0));
 #endif	/* DEBUG_SHOW_UNUSED */
-  printk(KERN_DEBUG "psa_univ_mac_addr[]: %02x:%02x:%02x:%02x:%02x:%02x\n",
-	 p->psa_univ_mac_addr[0],
-	 p->psa_univ_mac_addr[1],
-	 p->psa_univ_mac_addr[2],
-	 p->psa_univ_mac_addr[3],
-	 p->psa_univ_mac_addr[4],
-	 p->psa_univ_mac_addr[5]);
-  printk(KERN_DEBUG "psa_local_mac_addr[]: %02x:%02x:%02x:%02x:%02x:%02x\n",
-	 p->psa_local_mac_addr[0],
-	 p->psa_local_mac_addr[1],
-	 p->psa_local_mac_addr[2],
-	 p->psa_local_mac_addr[3],
-	 p->psa_local_mac_addr[4],
-	 p->psa_local_mac_addr[5]);
+  printk(KERN_DEBUG "psa_univ_mac_addr[]: %s\n",
+	 print_mac(mac, p->psa_univ_mac_addr));
+  printk(KERN_DEBUG "psa_local_mac_addr[]: %s\n",
+	 print_mac(mac, p->psa_local_mac_addr));
   printk(KERN_DEBUG "psa_univ_local_sel: %d, ", p->psa_univ_local_sel);
   printk("psa_comp_number: %d, ", p->psa_comp_number);
   printk("psa_thr_pre_set: 0x%02x\n", p->psa_thr_pre_set);
@@ -1277,11 +1262,12 @@
 {
   int		i;
   int		maxi;
+  DECLARE_MAC_BUF(mac);
 
-  printk(KERN_DEBUG "%s: %s(): dest %02X:%02X:%02X:%02X:%02X:%02X, length %d\n",
-	 msg1, msg2, p[0], p[1], p[2], p[3], p[4], p[5], length);
-  printk(KERN_DEBUG "%s: %s(): src %02X:%02X:%02X:%02X:%02X:%02X, type 0x%02X%02X\n",
-	 msg1, msg2, p[6], p[7], p[8], p[9], p[10], p[11], p[12], p[13]);
+  printk(KERN_DEBUG "%s: %s(): dest %s, length %d\n",
+	 msg1, msg2, print_mac(mac, p), length);
+  printk(KERN_DEBUG "%s: %s(): src %s, type 0x%02X%02X\n",
+	 msg1, msg2, print_mac(mac, &p[6]), p[12], p[13]);
 
 #ifdef DEBUG_PACKET_DUMP
 
@@ -1312,7 +1298,7 @@
 {
   kio_addr_t	base = dev->base_addr;
   psa_t		psa;
-  int		i;
+  DECLARE_MAC_BUF(mac);
 
   /* Read the parameter storage area */
   psa_read(dev, 0, (unsigned char *) &psa, sizeof(psa));
@@ -1329,10 +1315,10 @@
 
 #ifdef DEBUG_BASIC_SHOW
   /* Now, let's go for the basic stuff */
-  printk(KERN_NOTICE "%s: WaveLAN: port %#lx, irq %d, hw_addr",
-	 dev->name, base, dev->irq);
-  for(i = 0; i < WAVELAN_ADDR_SIZE; i++)
-    printk("%s%02X", (i == 0) ? " " : ":", dev->dev_addr[i]);
+  printk(KERN_NOTICE "%s: WaveLAN: port %#lx, irq %d, "
+	 "hw_addr %s",
+	 dev->name, base, dev->irq,
+	 print_mac(mac, dev->dev_addr));
 
   /* Print current network id */
   if(psa.psa_nwid_select)
@@ -3691,12 +3677,12 @@
       int			addrs_len = WAVELAN_ADDR_SIZE * lp->mc_count;
 
 #ifdef DEBUG_CONFIG_INFO
+      DECLARE_MAC_BUF(mac);
       printk(KERN_DEBUG "%s: wv_hw_config(): set %d multicast addresses:\n",
 	     dev->name, lp->mc_count);
       for(dmi=dev->mc_list; dmi; dmi=dmi->next)
-	printk(KERN_DEBUG " %02x:%02x:%02x:%02x:%02x:%02x\n",
-	       dmi->dmi_addr[0], dmi->dmi_addr[1], dmi->dmi_addr[2],
-	       dmi->dmi_addr[3], dmi->dmi_addr[4], dmi->dmi_addr[5] );
+	printk(KERN_DEBUG " %s\n",
+	       print_mac(mac, dmi->dmi_addr));
 #endif
 
       /* Initialize adapter's ethernet multicast addresses */
diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c
index 2690f29..42a36b3 100644
--- a/drivers/net/wireless/wl3501_cs.c
+++ b/drivers/net/wireless/wl3501_cs.c
@@ -860,11 +860,10 @@
 static void wl3501_online(struct net_device *dev)
 {
 	struct wl3501_card *this = netdev_priv(dev);
+	DECLARE_MAC_BUF(mac);
 
-	printk(KERN_INFO "%s: Wireless LAN online. BSSID: "
-	       "%02X %02X %02X %02X %02X %02X\n", dev->name,
-	       this->bssid[0], this->bssid[1], this->bssid[2],
-	       this->bssid[3], this->bssid[4], this->bssid[5]);
+	printk(KERN_INFO "%s: Wireless LAN online. BSSID: %s\n",
+	       dev->name, print_mac(mac, this->bssid));
 	netif_wake_queue(dev);
 }
 
@@ -1966,6 +1965,7 @@
 	struct net_device *dev = link->priv;
 	int i = 0, j, last_fn, last_ret;
 	struct wl3501_card *this;
+	DECLARE_MAC_BUF(mac);
 
 	/* Try allocating IO ports.  This tries a few fixed addresses.  If you
 	 * want, you can also read the card's config table to pick addresses --
@@ -2019,14 +2019,14 @@
 	}
 	strcpy(this->node.dev_name, dev->name);
 
-	/* print probe information */
-	printk(KERN_INFO "%s: wl3501 @ 0x%3.3x, IRQ %d, MAC addr in flash ROM:",
-	       dev->name, this->base_addr, (int)dev->irq);
-	for (i = 0; i < 6; i++) {
+	for (i = 0; i < 6; i++)
 		dev->dev_addr[i] = ((char *)&this->mac_addr)[i];
-		printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]);
-	}
-	printk("\n");
+
+	/* print probe information */
+	printk(KERN_INFO "%s: wl3501 @ 0x%3.3x, IRQ %d, "
+	       "MAC addr in flash ROM:%s\n",
+	       dev->name, this->base_addr, (int)dev->irq,
+	       print_mac(mac, dev->dev_addr));
 	/*
 	 * Initialize card parameters - added by jss
 	 */
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
index 4959042..750c0f9 100644
--- a/drivers/net/wireless/zd1211rw/zd_chip.c
+++ b/drivers/net/wireless/zd1211rw/zd_chip.c
@@ -377,6 +377,7 @@
 		[0] = { .addr = CR_MAC_ADDR_P1 },
 		[1] = { .addr = CR_MAC_ADDR_P2 },
 	};
+	DECLARE_MAC_BUF(mac);
 
 	reqs[0].value = (mac_addr[3] << 24)
 		      | (mac_addr[2] << 16)
@@ -386,7 +387,7 @@
 		      |  mac_addr[4];
 
 	dev_dbg_f(zd_chip_dev(chip),
-		"mac addr " MAC_FMT "\n", MAC_ARG(mac_addr));
+		"mac addr %s\n", print_mac(mac, mac_addr));
 
 	mutex_lock(&chip->mutex);
 	r = zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs));
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 451308d..06b342b 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -289,12 +289,13 @@
 	struct sockaddr *addr = p;
 	struct zd_mac *mac = zd_netdev_mac(netdev);
 	struct zd_chip *chip = &mac->chip;
+	DECLARE_MAC_BUF(mac2);
 
 	if (!is_valid_ether_addr(addr->sa_data))
 		return -EADDRNOTAVAIL;
 
 	dev_dbg_f(zd_mac_dev(mac),
-		  "Setting MAC to " MAC_FMT "\n", MAC_ARG(addr->sa_data));
+		  "Setting MAC to %s\n", print_mac(mac2, addr->sa_data));
 
 	if (netdev->flags & IFF_UP) {
 		r = zd_write_mac_addr(chip, addr->sa_data);
@@ -329,6 +330,7 @@
 	struct zd_mc_hash hash;
 	struct dev_mc_list *mc;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac2);
 
 	if (dev->flags & (IFF_PROMISC|IFF_ALLMULTI) ||
 			ieee->iw_mode == IW_MODE_MONITOR) {
@@ -336,8 +338,8 @@
 	} else {
 		zd_mc_clear(&hash);
 		for (mc = dev->mc_list; mc; mc = mc->next) {
-			dev_dbg_f(zd_mac_dev(mac), "mc addr " MAC_FMT "\n",
-				  MAC_ARG(mc->dmi_addr));
+			dev_dbg_f(zd_mac_dev(mac), "mc addr %s\n",
+				  print_mac(mac2, mc->dmi_addr));
 			zd_mc_add_addr(&hash, mc->dmi_addr);
 		}
 	}
diff --git a/drivers/net/yellowfin.c b/drivers/net/yellowfin.c
index 709623e..87f002a 100644
--- a/drivers/net/yellowfin.c
+++ b/drivers/net/yellowfin.c
@@ -374,6 +374,7 @@
 #else
 	int bar = 1;
 #endif
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -480,12 +481,10 @@
 	if (i)
 		goto err_out_unmap_status;
 
-	printk(KERN_INFO "%s: %s type %8x at %p, ",
+	printk(KERN_INFO "%s: %s type %8x at %p, %s, IRQ %d.\n",
 		   dev->name, pci_id_tbl[chip_idx].name,
-		   ioread32(ioaddr + ChipRev), ioaddr);
-	for (i = 0; i < 5; i++)
-			printk("%2.2x:", dev->dev_addr[i]);
-	printk("%2.2x, IRQ %d.\n", dev->dev_addr[i], irq);
+		   ioread32(ioaddr + ChipRev), ioaddr,
+		   print_mac(mac, dev->dev_addr), irq);
 
 	if (np->drv_flags & HasMII) {
 		int phy, phy_idx = 0;
@@ -1101,11 +1100,11 @@
 			memcmp(le32_to_cpu(yp->rx_ring_dma +
 				entry*sizeof(struct yellowfin_desc)),
 				"\377\377\377\377\377\377", 6) != 0) {
-			if (bogus_rx++ == 0)
-				printk(KERN_WARNING "%s: Bad frame to %2.2x:%2.2x:%2.2x:%2.2x:"
-					   "%2.2x:%2.2x.\n",
-					   dev->name, buf_addr[0], buf_addr[1], buf_addr[2],
-					   buf_addr[3], buf_addr[4], buf_addr[5]);
+			if (bogus_rx++ == 0) {
+				DECLARE_MAC_BUF(mac);
+				printk(KERN_WARNING "%s: Bad frame to %s\n",
+					   dev->name, print_mac(mac, buf_addr));
+			}
 #endif
 		} else {
 			struct sk_buff *skb;
diff --git a/drivers/net/znet.c b/drivers/net/znet.c
index 43712c7..a86c022 100644
--- a/drivers/net/znet.c
+++ b/drivers/net/znet.c
@@ -370,6 +370,7 @@
 	struct net_device *dev;
 	char *p;
 	int err = -ENOMEM;
+	DECLARE_MAC_BUF(mac);
 
 	/* This code scans the region 0xf0000 to 0xfffff for a "NETIDBLK". */
 	for(p = (char *)phys_to_virt(0xf0000); p < (char *)phys_to_virt(0x100000); p++)
@@ -392,14 +393,14 @@
 	dev->base_addr = netinfo->iobase1;
 	dev->irq = netinfo->irq1;
 
-	printk(KERN_INFO "%s: ZNET at %#3lx,", dev->name, dev->base_addr);
-
 	/* The station address is in the "netidblk" at 0x0f0000. */
 	for (i = 0; i < 6; i++)
-		printk(" %2.2x", dev->dev_addr[i] = netinfo->netid[i]);
+		dev->dev_addr[i] = netinfo->netid[i];
 
-	printk(", using IRQ %d DMA %d and %d.\n", dev->irq, netinfo->dma1,
-	       netinfo->dma2);
+	printk(KERN_INFO "%s: ZNET at %#3lx, %s"
+	       ", using IRQ %d DMA %d and %d.\n",
+	       dev->name, dev->base_addr, print_mac(mac, dev->dev_addr),
+	       dev->irq, netinfo->dma1, netinfo->dma2);
 
 	if (znet_debug > 1) {
 		printk(KERN_INFO "%s: vendor '%16.16s' IRQ1 %d IRQ2 %d DMA1 %d DMA2 %d.\n",
diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c
index fb215eb..3926b2a 100644
--- a/drivers/net/zorro8390.c
+++ b/drivers/net/zorro8390.c
@@ -151,6 +151,7 @@
 	0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
 	0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
     };
+    DECLARE_MAC_BUF(mac);
 
     /* Reset card. Who knows what dain-bramaged state it was left in. */
     {
@@ -211,12 +212,12 @@
     i = request_irq(IRQ_AMIGA_PORTS, __ei_interrupt, IRQF_SHARED, DRV_NAME, dev);
     if (i) return i;
 
-    for(i = 0; i < ETHER_ADDR_LEN; i++) {
-#ifdef DEBUG
-	printk(" %2.2x", SA_prom[i]);
-#endif
+    for(i = 0; i < ETHER_ADDR_LEN; i++)
 	dev->dev_addr[i] = SA_prom[i];
-    }
+
+#ifdef DEBUG
+    printk("%s", print_mac(mac, dev->dev_addr));
+#endif
 
     ei_status.name = name;
     ei_status.tx_start_page = start_page;
@@ -243,10 +244,8 @@
 	return err;
     }
 
-    printk(KERN_INFO "%s: %s at 0x%08lx, Ethernet Address "
-	   "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, name, board,
-	   dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-	   dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+    printk(KERN_INFO "%s: %s at 0x%08lx, Ethernet Address %s\n",
+	   dev->name, name, board, print_mac(mac, dev->dev_addr));
 
     return 0;
 }
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 3213f6f..0e791e2c 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -120,6 +120,14 @@
 #ifdef CONFIG_SYSCTL
 extern struct ctl_table ether_table[];
 #endif
+
+/*
+ *	Display a 6 byte device address (MAC) in a readable format.
+ */
+#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
+extern char *print_mac(char *buf, const u8 *addr);
+#define DECLARE_MAC_BUF(var) char var[18] __maybe_unused
+
 #endif
 
 #endif	/* _LINUX_IF_ETHER_H */
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index bbd85cd..164d132 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -119,11 +119,6 @@
 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
 #endif				/* CONFIG_IEEE80211_DEBUG */
 
-/* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
-
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-#define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
-
 /* escape_essid() is intended to be used in debug (and possibly error)
  * messages. It should never be used for passing essid to user space. */
 const char *escape_essid(const char *essid, u8 essid_len);
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index a2c14f9..947f3c8 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1106,8 +1106,4 @@
 		IEEE80211_FCTL_MOREFRAGS) != 0;
 }
 
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-#define MAC_ARG(x) ((u8*)(x))[0], ((u8*)(x))[1], ((u8*)(x))[2], \
-		   ((u8*)(x))[3], ((u8*)(x))[4], ((u8*)(x))[5]
-
 #endif /* MAC80211_H */
diff --git a/net/802/tr.c b/net/802/tr.c
index 55c76d7..aa3c2e9 100644
--- a/net/802/tr.c
+++ b/net/802/tr.c
@@ -283,8 +283,10 @@
 		if(entry)
 		{
 #if TR_SR_DEBUG
-printk("source routing for %02X:%02X:%02X:%02X:%02X:%02X\n",trh->daddr[0],
-		  trh->daddr[1],trh->daddr[2],trh->daddr[3],trh->daddr[4],trh->daddr[5]);
+{
+DECLARE_MAC_BUF(mac);
+printk("source routing for %s\n",print_mac(mac, trh->daddr));
+}
 #endif
 			if(!entry->local_ring && (ntohs(entry->rcf) & TR_RCF_LEN_MASK) >> 8)
 			{
@@ -366,10 +368,9 @@
 	if(entry==NULL)
 	{
 #if TR_SR_DEBUG
-printk("adding rif_entry: addr:%02X:%02X:%02X:%02X:%02X:%02X rcf:%04X\n",
-		trh->saddr[0],trh->saddr[1],trh->saddr[2],
-		trh->saddr[3],trh->saddr[4],trh->saddr[5],
-		ntohs(trh->rcf));
+		DECLARE_MAC_BUF(mac);
+		printk("adding rif_entry: addr:%s rcf:%04X\n",
+		       print_mac(mac, trh->saddr), ntohs(trh->rcf));
 #endif
 		/*
 		 *	Allocate our new entry. A failure to allocate loses
@@ -414,10 +415,11 @@
 			 !(trh->rcf & htons(TR_RCF_BROADCAST_MASK)))
 		    {
 #if TR_SR_DEBUG
-printk("updating rif_entry: addr:%02X:%02X:%02X:%02X:%02X:%02X rcf:%04X\n",
-		trh->saddr[0],trh->saddr[1],trh->saddr[2],
-		trh->saddr[3],trh->saddr[4],trh->saddr[5],
-		ntohs(trh->rcf));
+{
+DECLARE_MAC_BUF(mac);
+printk("updating rif_entry: addr:%s rcf:%04X\n",
+		print_mac(mac, trh->saddr), ntohs(trh->rcf));
+}
 #endif
 			    entry->rcf = trh->rcf & htons((unsigned short)~TR_RCF_BROADCAST_MASK);
 			    memcpy(&(entry->rseg[0]),&(trh->rseg[0]),8*sizeof(unsigned short));
@@ -528,6 +530,7 @@
 {
 	int j, rcf_len, segment, brdgnmb;
 	struct rif_cache *entry = v;
+	DECLARE_MAC_BUF(mac);
 
 	if (v == SEQ_START_TOKEN)
 		seq_puts(seq,
@@ -537,10 +540,9 @@
 		long ttl = (long) (entry->last_used + sysctl_tr_rif_timeout)
 				- (long) jiffies;
 
-		seq_printf(seq, "%s %02X:%02X:%02X:%02X:%02X:%02X %7li ",
+		seq_printf(seq, "%s %s %7li ",
 			   dev?dev->name:"?",
-			   entry->addr[0],entry->addr[1],entry->addr[2],
-			   entry->addr[3],entry->addr[4],entry->addr[5],
+			   print_mac(mac, entry->addr),
 			   ttl/HZ);
 
 			if (entry->local_ring)
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index e9a51a6..92cd749 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -997,6 +997,7 @@
 	struct aarp_iter_state *iter = seq->private;
 	struct aarp_entry *entry = v;
 	unsigned long now = jiffies;
+	DECLARE_MAC_BUF(mac);
 
 	if (v == SEQ_START_TOKEN)
 		seq_puts(seq,
@@ -1007,13 +1008,7 @@
 			   ntohs(entry->target_addr.s_net),
 			   (unsigned int) entry->target_addr.s_node,
 			   entry->dev ? entry->dev->name : "????");
-		seq_printf(seq, "%02X:%02X:%02X:%02X:%02X:%02X",
-			   entry->hwaddr[0] & 0xFF,
-			   entry->hwaddr[1] & 0xFF,
-			   entry->hwaddr[2] & 0xFF,
-			   entry->hwaddr[3] & 0xFF,
-			   entry->hwaddr[4] & 0xFF,
-			   entry->hwaddr[5] & 0xFF);
+		seq_printf(seq, "%s", print_mac(mac, entry->hwaddr));
 		seq_printf(seq, " %8s",
 			   dt2str((long)entry->expires_at - (long)now));
 		if (iter->table == unresolved)
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 81eb4f4..c742d37 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -709,17 +709,13 @@
 			br2684_devs);
 	const struct net_device *net_dev = brdev->net_dev;
 	const struct br2684_vcc *brvcc;
+	DECLARE_MAC_BUF(mac);
 
-	seq_printf(seq, "dev %.16s: num=%d, mac=%02X:%02X:"
-		       "%02X:%02X:%02X:%02X (%s)\n", net_dev->name,
-		       brdev->number,
-		       net_dev->dev_addr[0],
-		       net_dev->dev_addr[1],
-		       net_dev->dev_addr[2],
-		       net_dev->dev_addr[3],
-		       net_dev->dev_addr[4],
-		       net_dev->dev_addr[5],
-		       brdev->mac_was_set ? "set" : "auto");
+	seq_printf(seq, "dev %.16s: num=%d, mac=%s (%s)\n",
+		   net_dev->name,
+		   brdev->number,
+		   print_mac(mac, net_dev->dev_addr),
+		   brdev->mac_was_set ? "set" : "auto");
 
 	list_for_each_entry(brvcc, &brdev->brvccs, brvccs) {
 		seq_printf(seq, "  vcc %d.%d.%d: encaps=%s"
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 813a090..c909c76 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -266,6 +266,7 @@
 	char buf[300];
 	int i = 0;
 #endif /* DUMP_PACKETS >0 */
+	DECLARE_MAC_BUF(mac);
 
 	pr_debug("lec_start_xmit called\n");
 	if (!priv->lecd) {
@@ -373,19 +374,15 @@
 		if (entry && (entry->tx_wait.qlen < LEC_UNRES_QUE_LEN)) {
 			pr_debug("%s:lec_start_xmit: queuing packet, ",
 				dev->name);
-			pr_debug("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
-				lec_h->h_dest[0], lec_h->h_dest[1],
-				lec_h->h_dest[2], lec_h->h_dest[3],
-				lec_h->h_dest[4], lec_h->h_dest[5]);
+			pr_debug("MAC address %s\n",
+				 print_mac(mac, lec_h->h_dest));
 			skb_queue_tail(&entry->tx_wait, skb);
 		} else {
 			pr_debug
 			    ("%s:lec_start_xmit: tx queue full or no arp entry, dropping, ",
 			     dev->name);
-			pr_debug("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
-				lec_h->h_dest[0], lec_h->h_dest[1],
-				lec_h->h_dest[2], lec_h->h_dest[3],
-				lec_h->h_dest[4], lec_h->h_dest[5]);
+			pr_debug("MAC address %s\n",
+				 print_mac(mac, lec_h->h_dest));
 			priv->stats.tx_dropped++;
 			dev_kfree_skb(skb);
 		}
@@ -397,9 +394,8 @@
 
 	while (entry && (skb2 = skb_dequeue(&entry->tx_wait))) {
 		pr_debug("lec.c: emptying tx queue, ");
-		pr_debug("MAC address 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
-			lec_h->h_dest[0], lec_h->h_dest[1], lec_h->h_dest[2],
-			lec_h->h_dest[3], lec_h->h_dest[4], lec_h->h_dest[5]);
+		pr_debug("MAC address %s\n",
+			 print_mac(mac, lec_h->h_dest));
 		lec_send(vcc, skb2, priv);
 	}
 
@@ -453,6 +449,7 @@
 	struct lec_arp_table *entry;
 	int i;
 	char *tmp;		/* FIXME */
+	DECLARE_MAC_BUF(mac);
 
 	atomic_sub(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc);
 	mesg = (struct atmlec_msg *)skb->data;
@@ -539,13 +536,9 @@
 			struct net_bridge_fdb_entry *f;
 
 			pr_debug
-			    ("%s: bridge zeppelin asks about 0x%02x:%02x:%02x:%02x:%02x:%02x\n",
-			     dev->name, mesg->content.proxy.mac_addr[0],
-			     mesg->content.proxy.mac_addr[1],
-			     mesg->content.proxy.mac_addr[2],
-			     mesg->content.proxy.mac_addr[3],
-			     mesg->content.proxy.mac_addr[4],
-			     mesg->content.proxy.mac_addr[5]);
+			    ("%s: bridge zeppelin asks about %s\n",
+			     dev->name,
+			     print_mac(mac, mesg->content.proxy.mac_addr));
 
 			if (br_fdb_get_hook == NULL || dev->br_port == NULL)
 				break;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index bb7523a..e13602d 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -534,6 +534,7 @@
 
 void netpoll_print_options(struct netpoll *np)
 {
+	DECLARE_MAC_BUF(mac);
 	printk(KERN_INFO "%s: local port %d\n",
 			 np->name, np->local_port);
 	printk(KERN_INFO "%s: local IP %d.%d.%d.%d\n",
@@ -544,15 +545,8 @@
 			 np->name, np->remote_port);
 	printk(KERN_INFO "%s: remote IP %d.%d.%d.%d\n",
 			 np->name, HIPQUAD(np->remote_ip));
-	printk(KERN_INFO "%s: remote ethernet address "
-			 "%02x:%02x:%02x:%02x:%02x:%02x\n",
-			 np->name,
-			 np->remote_mac[0],
-			 np->remote_mac[1],
-			 np->remote_mac[2],
-			 np->remote_mac[3],
-			 np->remote_mac[4],
-			 np->remote_mac[5]);
+	printk(KERN_INFO "%s: remote ethernet address %s\n",
+	                 np->name, print_mac(mac, np->remote_mac));
 }
 
 int netpoll_parse_options(struct netpoll *np, char *opt)
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 94e42be..f07bd59 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -599,11 +599,11 @@
 
 static int pktgen_if_show(struct seq_file *seq, void *v)
 {
-	int i;
 	struct pktgen_dev *pkt_dev = seq->private;
 	__u64 sa;
 	__u64 stopped;
 	__u64 now = getCurUs();
+	DECLARE_MAC_BUF(mac);
 
 	seq_printf(seq,
 		   "Params: count %llu  min_pkt_size: %u  max_pkt_size: %u\n",
@@ -648,19 +648,12 @@
 
 	seq_puts(seq, "     src_mac: ");
 
-	if (is_zero_ether_addr(pkt_dev->src_mac))
-		for (i = 0; i < 6; i++)
-			seq_printf(seq, "%02X%s", pkt_dev->odev->dev_addr[i],
-				   i == 5 ? "  " : ":");
-	else
-		for (i = 0; i < 6; i++)
-			seq_printf(seq, "%02X%s", pkt_dev->src_mac[i],
-				   i == 5 ? "  " : ":");
+	seq_printf(seq, "%s ",
+		   print_mac(mac, is_zero_ether_addr(pkt_dev->src_mac) ?
+			     pkt_dev->odev->dev_addr : pkt_dev->src_mac));
 
 	seq_printf(seq, "dst_mac: ");
-	for (i = 0; i < 6; i++)
-		seq_printf(seq, "%02X%s", pkt_dev->dst_mac[i],
-			   i == 5 ? "\n" : ":");
+	seq_printf(seq, "%s\n", print_mac(mac, pkt_dev->dst_mac));
 
 	seq_printf(seq,
 		   "     udp_src_min: %d  udp_src_max: %d  udp_dst_min: %d  udp_dst_max: %d\n",
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 57c592ed..2aaf6fa 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -337,3 +337,11 @@
 	return alloc_netdev_mq(sizeof_priv, "eth%d", ether_setup, queue_count);
 }
 EXPORT_SYMBOL(alloc_etherdev_mq);
+
+char *print_mac(char *buf, const u8 *addr)
+{
+	sprintf(buf, MAC_FMT,
+		addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+	return buf;
+}
+EXPORT_SYMBOL(print_mac);
diff --git a/net/ieee80211/ieee80211_crypt_ccmp.c b/net/ieee80211/ieee80211_crypt_ccmp.c
index 2e6b099..0936a3e 100644
--- a/net/ieee80211/ieee80211_crypt_ccmp.c
+++ b/net/ieee80211/ieee80211_crypt_ccmp.c
@@ -297,6 +297,7 @@
 	int i, blocks, last, len;
 	size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN - CCMP_MIC_LEN;
 	u8 *mic = skb->data + skb->len - CCMP_MIC_LEN;
+	DECLARE_MAC_BUF(mac);
 
 	if (skb->len < hdr_len + CCMP_HDR_LEN + CCMP_MIC_LEN) {
 		key->dot11RSNAStatsCCMPFormatErrors++;
@@ -309,7 +310,7 @@
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "CCMP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %s\n", print_mac(mac, hdr->addr2));
 		}
 		key->dot11RSNAStatsCCMPFormatErrors++;
 		return -2;
@@ -322,9 +323,9 @@
 	}
 	if (!key->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "CCMP: received packet from %s"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", print_mac(mac, hdr->addr2), keyidx);
 		}
 		return -3;
 	}
@@ -339,11 +340,13 @@
 
 	if (ccmp_replay_check(pn, key->rx_pn)) {
 		if (net_ratelimit()) {
-			IEEE80211_DEBUG_DROP("CCMP: replay detected: STA=" MAC_FMT
-			       " previous PN %02x%02x%02x%02x%02x%02x "
-			       "received PN %02x%02x%02x%02x%02x%02x\n",
-			       MAC_ARG(hdr->addr2), MAC_ARG(key->rx_pn),
-			       MAC_ARG(pn));
+			IEEE80211_DEBUG_DROP("CCMP: replay detected: STA=%s "
+				 "previous PN %02x%02x%02x%02x%02x%02x "
+				 "received PN %02x%02x%02x%02x%02x%02x\n",
+				 print_mac(mac, hdr->addr2),
+				 key->rx_pn[0], key->rx_pn[1], key->rx_pn[2],
+				 key->rx_pn[3], key->rx_pn[4], key->rx_pn[5],
+				 pn[0], pn[1], pn[2], pn[3], pn[4], pn[5]);
 		}
 		key->dot11RSNAStatsCCMPReplays++;
 		return -4;
@@ -371,7 +374,7 @@
 	if (memcmp(mic, a, CCMP_MIC_LEN) != 0) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "CCMP: decrypt failed: STA="
-			       MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       "%s\n", print_mac(mac, hdr->addr2));
 		}
 		key->dot11RSNAStatsCCMPDecryptErrors++;
 		return -5;
@@ -443,12 +446,16 @@
 static char *ieee80211_ccmp_print_stats(char *p, void *priv)
 {
 	struct ieee80211_ccmp_data *ccmp = priv;
+
 	p += sprintf(p, "key[%d] alg=CCMP key_set=%d "
 		     "tx_pn=%02x%02x%02x%02x%02x%02x "
 		     "rx_pn=%02x%02x%02x%02x%02x%02x "
 		     "format_errors=%d replays=%d decrypt_errors=%d\n",
 		     ccmp->key_idx, ccmp->key_set,
-		     MAC_ARG(ccmp->tx_pn), MAC_ARG(ccmp->rx_pn),
+		     ccmp->tx_pn[0], ccmp->tx_pn[1], ccmp->tx_pn[2],
+		     ccmp->tx_pn[3], ccmp->tx_pn[4], ccmp->tx_pn[5],
+		     ccmp->rx_pn[0], ccmp->rx_pn[1], ccmp->rx_pn[2],
+		     ccmp->rx_pn[3], ccmp->rx_pn[4], ccmp->rx_pn[5],
 		     ccmp->dot11RSNAStatsCCMPFormatErrors,
 		     ccmp->dot11RSNAStatsCCMPReplays,
 		     ccmp->dot11RSNAStatsCCMPDecryptErrors);
diff --git a/net/ieee80211/ieee80211_crypt_tkip.c b/net/ieee80211/ieee80211_crypt_tkip.c
index 5a48d8e..6cc54ee 100644
--- a/net/ieee80211/ieee80211_crypt_tkip.c
+++ b/net/ieee80211/ieee80211_crypt_tkip.c
@@ -359,14 +359,15 @@
 	u8 rc4key[16], *pos, *icv;
 	u32 crc;
 	struct scatterlist sg;
+	DECLARE_MAC_BUF(mac);
 
 	if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) {
 		if (net_ratelimit()) {
 			struct ieee80211_hdr_4addr *hdr =
 			    (struct ieee80211_hdr_4addr *)skb->data;
 			printk(KERN_DEBUG ": TKIP countermeasures: dropped "
-			       "TX packet to " MAC_FMT "\n",
-			       MAC_ARG(hdr->addr1));
+			       "TX packet to %s\n",
+			       print_mac(mac, hdr->addr1));
 		}
 		return -1;
 	}
@@ -421,14 +422,15 @@
 	u32 crc;
 	struct scatterlist sg;
 	int plen;
+	DECLARE_MAC_BUF(mac);
 
 	hdr = (struct ieee80211_hdr_4addr *)skb->data;
 
 	if (tkey->flags & IEEE80211_CRYPTO_TKIP_COUNTERMEASURES) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG ": TKIP countermeasures: dropped "
-			       "received packet from " MAC_FMT "\n",
-			       MAC_ARG(hdr->addr2));
+			       "received packet from %s\n",
+			       print_mac(mac, hdr->addr2));
 		}
 		return -1;
 	}
@@ -441,7 +443,7 @@
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "TKIP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %s\n", print_mac(mac, hdr->addr2));
 		}
 		return -2;
 	}
@@ -453,9 +455,9 @@
 	}
 	if (!tkey->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "TKIP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "TKIP: received packet from %s"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", print_mac(mac, hdr->addr2), keyidx);
 		}
 		return -3;
 	}
@@ -465,9 +467,9 @@
 
 	if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) {
 		if (net_ratelimit()) {
-			IEEE80211_DEBUG_DROP("TKIP: replay detected: STA=" MAC_FMT
+			IEEE80211_DEBUG_DROP("TKIP: replay detected: STA=%s"
 			       " previous TSC %08x%04x received TSC "
-			       "%08x%04x\n", MAC_ARG(hdr->addr2),
+			       "%08x%04x\n", print_mac(mac, hdr->addr2),
 			       tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
 		}
 		tkey->dot11RSNAStatsTKIPReplays++;
@@ -489,8 +491,8 @@
 	if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG ": TKIP: failed to decrypt "
-			       "received packet from " MAC_FMT "\n",
-			       MAC_ARG(hdr->addr2));
+			       "received packet from %s\n",
+			       print_mac(mac, hdr->addr2));
 		}
 		return -7;
 	}
@@ -508,7 +510,7 @@
 		}
 		if (net_ratelimit()) {
 			IEEE80211_DEBUG_DROP("TKIP: ICV error detected: STA="
-			       MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       "%s\n", print_mac(mac, hdr->addr2));
 		}
 		tkey->dot11RSNAStatsTKIPICVErrors++;
 		return -5;
@@ -639,6 +641,7 @@
 {
 	struct ieee80211_tkip_data *tkey = priv;
 	u8 mic[8];
+	DECLARE_MAC_BUF(mac);
 
 	if (!tkey->key_set)
 		return -1;
@@ -651,8 +654,8 @@
 		struct ieee80211_hdr_4addr *hdr;
 		hdr = (struct ieee80211_hdr_4addr *)skb->data;
 		printk(KERN_DEBUG "%s: Michael MIC verification failed for "
-		       "MSDU from " MAC_FMT " keyidx=%d\n",
-		       skb->dev ? skb->dev->name : "N/A", MAC_ARG(hdr->addr2),
+		       "MSDU from %s keyidx=%d\n",
+		       skb->dev ? skb->dev->name : "N/A", print_mac(mac, hdr->addr2),
 		       keyidx);
 		if (skb->dev)
 			ieee80211_michael_mic_failure(skb->dev, hdr, keyidx);
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 6284c99..21c0fad 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -271,6 +271,7 @@
 {
 	struct ieee80211_hdr_3addr *hdr;
 	int res, hdrlen;
+	DECLARE_MAC_BUF(mac);
 
 	if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL)
 		return 0;
@@ -282,8 +283,8 @@
 	res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv);
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
-		IEEE80211_DEBUG_DROP("decryption failed (SA=" MAC_FMT
-				     ") res=%d\n", MAC_ARG(hdr->addr2), res);
+		IEEE80211_DEBUG_DROP("decryption failed (SA=%s"
+				     ") res=%d\n", print_mac(mac, hdr->addr2), res);
 		if (res == -2)
 			IEEE80211_DEBUG_DROP("Decryption failed ICV "
 					     "mismatch (key %d)\n",
@@ -303,6 +304,7 @@
 {
 	struct ieee80211_hdr_3addr *hdr;
 	int res, hdrlen;
+	DECLARE_MAC_BUF(mac);
 
 	if (crypt == NULL || crypt->ops->decrypt_msdu == NULL)
 		return 0;
@@ -315,8 +317,8 @@
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed"
-		       " (SA=" MAC_FMT " keyidx=%d)\n",
-		       ieee->dev->name, MAC_ARG(hdr->addr2), keyidx);
+		       " (SA=%s keyidx=%d)\n",
+		       ieee->dev->name, print_mac(mac, hdr->addr2), keyidx);
 		return -1;
 	}
 
@@ -350,6 +352,7 @@
 	struct ieee80211_crypt_data *crypt = NULL;
 	int keyidx = 0;
 	int can_be_decrypted = 0;
+	DECLARE_MAC_BUF(mac);
 
 	hdr = (struct ieee80211_hdr_4addr *)skb->data;
 	stats = &ieee->stats;
@@ -459,8 +462,8 @@
 			 * frames silently instead of filling system log with
 			 * these reports. */
 			IEEE80211_DEBUG_DROP("Decryption failed (not set)"
-					     " (SA=" MAC_FMT ")\n",
-					     MAC_ARG(hdr->addr2));
+					     " (SA=%s)\n",
+					     print_mac(mac, hdr->addr2));
 			ieee->ieee_stats.rx_discards_undecryptable++;
 			goto rx_dropped;
 		}
@@ -471,8 +474,8 @@
 		    fc & IEEE80211_FCTL_PROTECTED && ieee->host_decrypt &&
 		    (keyidx = hostap_rx_frame_decrypt(ieee, skb, crypt)) < 0) {
 			printk(KERN_DEBUG "%s: failed to decrypt mgmt::auth "
-			       "from " MAC_FMT "\n", dev->name,
-			       MAC_ARG(hdr->addr2));
+			       "from %s\n", dev->name,
+			       print_mac(mac, hdr->addr2));
 			/* TODO: could inform hostapd about this so that it
 			 * could send auth failure report */
 			goto rx_dropped;
@@ -650,8 +653,8 @@
 			 * configured */
 		} else {
 			IEEE80211_DEBUG_DROP("encryption configured, but RX "
-					     "frame not encrypted (SA=" MAC_FMT
-					     ")\n", MAC_ARG(hdr->addr2));
+					     "frame not encrypted (SA=%s"
+					     ")\n", print_mac(mac, hdr->addr2));
 			goto rx_dropped;
 		}
 	}
@@ -659,9 +662,9 @@
 	if (crypt && !(fc & IEEE80211_FCTL_PROTECTED) && !ieee->open_wep &&
 	    !ieee80211_is_eapol_frame(ieee, skb)) {
 		IEEE80211_DEBUG_DROP("dropped unencrypted RX data "
-				     "frame from " MAC_FMT
+				     "frame from %s"
 				     " (drop_unencrypted=1)\n",
-				     MAC_ARG(hdr->addr2));
+				     print_mac(mac, hdr->addr2));
 		goto rx_dropped;
 	}
 
@@ -1411,6 +1414,8 @@
 					 struct ieee80211_network *network,
 					 struct ieee80211_rx_stats *stats)
 {
+	DECLARE_MAC_BUF(mac);
+
 	network->qos_data.active = 0;
 	network->qos_data.supported = 0;
 	network->qos_data.param_count = 0;
@@ -1457,11 +1462,11 @@
 	}
 
 	if (network->mode == 0) {
-		IEEE80211_DEBUG_SCAN("Filtered out '%s (" MAC_FMT ")' "
+		IEEE80211_DEBUG_SCAN("Filtered out '%s (%s)' "
 				     "network.\n",
 				     escape_essid(network->ssid,
 						  network->ssid_len),
-				     MAC_ARG(network->bssid));
+				     print_mac(mac, network->bssid));
 		return 1;
 	}
 
@@ -1490,6 +1495,7 @@
 {
 	int qos_active;
 	u8 old_param;
+	DECLARE_MAC_BUF(mac);
 
 	ieee80211_network_reset(dst);
 	dst->ibss_dfs = src->ibss_dfs;
@@ -1503,8 +1509,8 @@
 		memcpy(&dst->stats, &src->stats,
 		       sizeof(struct ieee80211_rx_stats));
 	else
-		IEEE80211_DEBUG_SCAN("Network " MAC_FMT " info received "
-			"off channel (%d vs. %d)\n", MAC_ARG(src->bssid),
+		IEEE80211_DEBUG_SCAN("Network %s info received "
+			"off channel (%d vs. %d)\n", print_mac(mac, src->bssid),
 			dst->channel, src->stats.received_channel);
 
 	dst->capability = src->capability;
@@ -1576,12 +1582,13 @@
 	struct ieee80211_info_element *info_element = beacon->info_element;
 #endif
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac);
 
-	IEEE80211_DEBUG_SCAN("'%s' (" MAC_FMT
+	IEEE80211_DEBUG_SCAN("'%s' (%s"
 			     "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
 			     escape_essid(info_element->data,
 					  info_element->len),
-			     MAC_ARG(beacon->header.addr3),
+			     print_mac(mac, beacon->header.addr3),
 			     (beacon->capability & (1 << 0xf)) ? '1' : '0',
 			     (beacon->capability & (1 << 0xe)) ? '1' : '0',
 			     (beacon->capability & (1 << 0xd)) ? '1' : '0',
@@ -1600,10 +1607,10 @@
 			     (beacon->capability & (1 << 0x0)) ? '1' : '0');
 
 	if (ieee80211_network_init(ieee, beacon, &network, stats)) {
-		IEEE80211_DEBUG_SCAN("Dropped '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Dropped '%s' (%s) via %s.\n",
 				     escape_essid(info_element->data,
 						  info_element->len),
-				     MAC_ARG(beacon->header.addr3),
+				     print_mac(mac, beacon->header.addr3),
 				     is_beacon(beacon->header.frame_ctl) ?
 				     "BEACON" : "PROBE RESPONSE");
 		return;
@@ -1637,11 +1644,11 @@
 			/* If there are no more slots, expire the oldest */
 			list_del(&oldest->list);
 			target = oldest;
-			IEEE80211_DEBUG_SCAN("Expired '%s' (" MAC_FMT ") from "
+			IEEE80211_DEBUG_SCAN("Expired '%s' (%s) from "
 					     "network list.\n",
 					     escape_essid(target->ssid,
 							  target->ssid_len),
-					     MAC_ARG(target->bssid));
+					     print_mac(mac, target->bssid));
 			ieee80211_network_reset(target);
 		} else {
 			/* Otherwise just pull from the free list */
@@ -1651,10 +1658,10 @@
 		}
 
 #ifdef CONFIG_IEEE80211_DEBUG
-		IEEE80211_DEBUG_SCAN("Adding '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Adding '%s' (%s) via %s.\n",
 				     escape_essid(network.ssid,
 						  network.ssid_len),
-				     MAC_ARG(network.bssid),
+				     print_mac(mac, network.bssid),
 				     is_beacon(beacon->header.frame_ctl) ?
 				     "BEACON" : "PROBE RESPONSE");
 #endif
@@ -1662,10 +1669,10 @@
 		network.ibss_dfs = NULL;
 		list_add_tail(&target->list, &ieee->network_list);
 	} else {
-		IEEE80211_DEBUG_SCAN("Updating '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Updating '%s' (%s) via %s.\n",
 				     escape_essid(target->ssid,
 						  target->ssid_len),
-				     MAC_ARG(target->bssid),
+				     print_mac(mac, target->bssid),
 				     is_beacon(beacon->header.frame_ctl) ?
 				     "BEACON" : "PROBE RESPONSE");
 		update_network(target, &network);
diff --git a/net/ieee80211/ieee80211_wx.c b/net/ieee80211/ieee80211_wx.c
index 465b73d..9b58dd6 100644
--- a/net/ieee80211/ieee80211_wx.c
+++ b/net/ieee80211/ieee80211_wx.c
@@ -257,6 +257,7 @@
 	char *ev = extra;
 	char *stop = ev + wrqu->data.length;
 	int i = 0;
+	DECLARE_MAC_BUF(mac);
 
 	IEEE80211_DEBUG_WX("Getting scan\n");
 
@@ -274,10 +275,10 @@
 			ev = ieee80211_translate_scan(ieee, ev, stop, network);
 		else
 			IEEE80211_DEBUG_SCAN("Not showing network '%s ("
-					     MAC_FMT ")' due to age (%dms).\n",
+					     "%s)' due to age (%dms).\n",
 					     escape_essid(network->ssid,
 							  network->ssid_len),
-					     MAC_ARG(network->bssid),
+					     print_mac(mac, network->bssid),
 					     jiffies_to_msecs(jiffies -
 							      network->
 							      last_scanned));
diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c
index e475f2e..4c0feb2 100644
--- a/net/ieee80211/softmac/ieee80211softmac_assoc.c
+++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c
@@ -372,6 +372,7 @@
 	u16 status = le16_to_cpup(&resp->status);
 	struct ieee80211softmac_network *network = NULL;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac2);
 
 	if (unlikely(!mac->running))
 		return -ENODEV;
@@ -388,7 +389,8 @@
 
 	/* someone sending us things without us knowing him? Ignore. */
 	if (!network) {
-		dprintk(KERN_INFO PFX "Received unrequested assocation response from " MAC_FMT "\n", MAC_ARG(resp->header.addr3));
+		dprintk(KERN_INFO PFX "Received unrequested assocation response from %s\n",
+			print_mac(mac2, resp->header.addr3));
 		spin_unlock_irqrestore(&mac->lock, flags);
 		return 0;
 	}
diff --git a/net/ieee80211/softmac/ieee80211softmac_auth.c b/net/ieee80211/softmac/ieee80211softmac_auth.c
index 826c32d..855fa0f 100644
--- a/net/ieee80211/softmac/ieee80211softmac_auth.c
+++ b/net/ieee80211/softmac/ieee80211softmac_auth.c
@@ -35,6 +35,7 @@
 {
 	struct ieee80211softmac_auth_queue_item *auth;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac2);
 
 	if (net->authenticating || net->authenticated)
 		return 0;
@@ -43,7 +44,7 @@
 	/* Add the network if it's not already added */
 	ieee80211softmac_add_network(mac, net);
 
-	dprintk(KERN_NOTICE PFX "Queueing Authentication Request to "MAC_FMT"\n", MAC_ARG(net->bssid));
+	dprintk(KERN_NOTICE PFX "Queueing Authentication Request to %s\n", print_mac(mac2, net->bssid));
 	/* Queue the auth request */
 	auth = (struct ieee80211softmac_auth_queue_item *)
 		kmalloc(sizeof(struct ieee80211softmac_auth_queue_item), GFP_KERNEL);
@@ -76,6 +77,7 @@
 	struct ieee80211softmac_auth_queue_item *auth;
 	struct ieee80211softmac_network *net;
 	unsigned long flags;
+	DECLARE_MAC_BUF(mac2);
 
 	auth = container_of(work, struct ieee80211softmac_auth_queue_item,
 			    work.work);
@@ -99,13 +101,14 @@
 		auth->retry--;
 		spin_unlock_irqrestore(&mac->lock, flags);
 		if (ieee80211softmac_send_mgt_frame(mac, auth->net, IEEE80211_STYPE_AUTH, auth->state))
-			dprintk(KERN_NOTICE PFX "Sending Authentication Request to "MAC_FMT" failed (this shouldn't happen, wait for the timeout).\n", MAC_ARG(net->bssid));
+			dprintk(KERN_NOTICE PFX "Sending Authentication Request to %s failed (this shouldn't happen, wait for the timeout).\n",
+				print_mac(mac2, net->bssid));
 		else
-			dprintk(KERN_NOTICE PFX "Sent Authentication Request to "MAC_FMT".\n", MAC_ARG(net->bssid));
+			dprintk(KERN_NOTICE PFX "Sent Authentication Request to %s.\n", print_mac(mac2, net->bssid));
 		return;
 	}
 
-	printkl(KERN_WARNING PFX "Authentication timed out with "MAC_FMT"\n", MAC_ARG(net->bssid));
+	printkl(KERN_WARNING PFX "Authentication timed out with %s\n", print_mac(mac2, net->bssid));
 	/* Remove this item from the queue */
 	spin_lock_irqsave(&mac->lock, flags);
 	net->authenticating = 0;
@@ -142,6 +145,7 @@
 	struct ieee80211softmac_network *net = NULL;
 	unsigned long flags;
 	u8 * data;
+	DECLARE_MAC_BUF(mac2);
 
 	if (unlikely(!mac->running))
 		return -ENODEV;
@@ -161,7 +165,7 @@
 	/* Make sure that we've got an auth queue item for this request */
 	if(aq == NULL)
 	{
-		dprintkl(KERN_DEBUG PFX "Authentication response received from "MAC_FMT" but no queue item exists.\n", MAC_ARG(auth->header.addr2));
+		dprintkl(KERN_DEBUG PFX "Authentication response received from %s but no queue item exists.\n", print_mac(mac2, auth->header.addr2));
 		/* Error #? */
 		return -1;
 	}
@@ -169,7 +173,7 @@
 	/* Check for out of order authentication */
 	if(!net->authenticating)
 	{
-		dprintkl(KERN_DEBUG PFX "Authentication response received from "MAC_FMT" but did not request authentication.\n",MAC_ARG(auth->header.addr2));
+		dprintkl(KERN_DEBUG PFX "Authentication response received from %s but did not request authentication.\n",print_mac(mac2, auth->header.addr2));
 		return -1;
 	}
 
@@ -187,7 +191,7 @@
 			spin_unlock_irqrestore(&mac->lock, flags);
 
 			/* Send event */
-			printkl(KERN_NOTICE PFX "Open Authentication completed with "MAC_FMT"\n", MAC_ARG(net->bssid));
+			printkl(KERN_NOTICE PFX "Open Authentication completed with %s\n", print_mac(mac2, net->bssid));
 			ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_AUTHENTICATED, net);
 			break;
 		default:
@@ -197,8 +201,8 @@
 			net->authenticating = 0;
 			spin_unlock_irqrestore(&mac->lock, flags);
 
-			printkl(KERN_NOTICE PFX "Open Authentication with "MAC_FMT" failed, error code: %i\n",
-				MAC_ARG(net->bssid), le16_to_cpup(&auth->status));
+			printkl(KERN_NOTICE PFX "Open Authentication with %s failed, error code: %i\n",
+				print_mac(mac2, net->bssid), le16_to_cpup(&auth->status));
 			/* Count the error? */
 			break;
 		}
@@ -253,13 +257,13 @@
 				net->authenticating = 0;
 				net->authenticated = 1;
 				spin_unlock_irqrestore(&mac->lock, flags);
-				printkl(KERN_NOTICE PFX "Shared Key Authentication completed with "MAC_FMT"\n",
-					MAC_ARG(net->bssid));
+				printkl(KERN_NOTICE PFX "Shared Key Authentication completed with %s\n",
+					print_mac(mac2, net->bssid));
 				ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_AUTHENTICATED, net);
 				break;
 			default:
-				printkl(KERN_NOTICE PFX "Shared Key Authentication with "MAC_FMT" failed, error code: %i\n",
-					MAC_ARG(net->bssid), le16_to_cpup(&auth->status));
+				printkl(KERN_NOTICE PFX "Shared Key Authentication with %s failed, error code: %i\n",
+					print_mac(mac2, net->bssid), le16_to_cpup(&auth->status));
 				/* Lock and reset flags */
 				spin_lock_irqsave(&mac->lock, flags);
 				net->authenticating = 0;
@@ -375,6 +379,7 @@
 
 	struct ieee80211softmac_network *net = NULL;
 	struct ieee80211softmac_device *mac = ieee80211_priv(dev);
+	DECLARE_MAC_BUF(mac2);
 
 	if (unlikely(!mac->running))
 		return -ENODEV;
@@ -387,8 +392,8 @@
 	net = ieee80211softmac_get_network_by_bssid(mac, deauth->header.addr2);
 
 	if (net == NULL) {
-		dprintkl(KERN_DEBUG PFX "Received deauthentication packet from "MAC_FMT", but that network is unknown.\n",
-			MAC_ARG(deauth->header.addr2));
+		dprintkl(KERN_DEBUG PFX "Received deauthentication packet from %s, but that network is unknown.\n",
+			print_mac(mac2, deauth->header.addr2));
 		return 0;
 	}
 
diff --git a/net/ieee80211/softmac/ieee80211softmac_wx.c b/net/ieee80211/softmac/ieee80211softmac_wx.c
index 5742dc8..8e8ad08 100644
--- a/net/ieee80211/softmac/ieee80211softmac_wx.c
+++ b/net/ieee80211/softmac/ieee80211softmac_wx.c
@@ -72,6 +72,7 @@
 	struct ieee80211softmac_device *sm = ieee80211_priv(net_dev);
 	struct ieee80211softmac_auth_queue_item *authptr;
 	int length = 0;
+	DECLARE_MAC_BUF(mac);
 
 check_assoc_again:
 	mutex_lock(&sm->associnfo.mutex);
diff --git a/net/irda/irlan/irlan_client.c b/net/irda/irlan/irlan_client.c
index a4c1c95..87039c2 100644
--- a/net/irda/irlan/irlan_client.c
+++ b/net/irda/irlan/irlan_client.c
@@ -436,6 +436,7 @@
 	__u16 tmp_cpu; /* Temporary value in host order */
 	__u8 *bytes;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	IRDA_DEBUG(4, "%s(), parm=%s\n", __FUNCTION__ , param);
 
@@ -520,9 +521,8 @@
 	/* FILTER_ENTRY, have we got an ethernet address? */
 	if (strcmp(param, "FILTER_ENTRY") == 0) {
 		bytes = value;
-		IRDA_DEBUG(4, "Ethernet address = %02x:%02x:%02x:%02x:%02x:%02x\n",
-		      bytes[0], bytes[1], bytes[2], bytes[3], bytes[4],
-		      bytes[5]);
+		IRDA_DEBUG(4, "Ethernet address = %s\n",
+			   print_mac(mac, bytes));
 		for (i = 0; i < 6; i++)
 			self->dev->dev_addr[i] = bytes[i];
 	}
diff --git a/net/llc/llc_proc.c b/net/llc/llc_proc.c
index 4865d82..cb34bc0 100644
--- a/net/llc/llc_proc.c
+++ b/net/llc/llc_proc.c
@@ -25,10 +25,10 @@
 #include <net/llc_c_st.h>
 #include <net/llc_conn.h>
 
-static void llc_ui_format_mac(struct seq_file *seq, unsigned char *mac)
+static void llc_ui_format_mac(struct seq_file *seq, u8 *addr)
 {
-	seq_printf(seq, "%02X:%02X:%02X:%02X:%02X:%02X",
-		   mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+	DECLARE_MAC_BUF(mac);
+	seq_printf(seq, "%s", print_mac(mac, addr));
 }
 
 static struct sock *llc_get_sk_idx(loff_t pos)
@@ -128,8 +128,10 @@
 
 	if (llc->dev)
 		llc_ui_format_mac(seq, llc->dev->dev_addr);
-	else
-		seq_printf(seq, "00:00:00:00:00:00");
+	else {
+		u8 addr[6] = {0,0,0,0,0,0};
+		llc_ui_format_mac(seq, addr);
+	}
 	seq_printf(seq, "@%02X ", llc->sap->laddr.lsap);
 	llc_ui_format_mac(seq, llc->daddr.mac);
 	seq_printf(seq, "@%02X %8d %8d %2d %3d %4d\n", llc->daddr.lsap,
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 8e4a1bc..c881524 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -262,11 +262,12 @@
 				    struct sta_info *sta)
 {
 	char buf[50];
+	DECLARE_MAC_BUF(mac);
 
 	if (!key->debugfs.dir)
 		return;
 
-	sprintf(buf, "../../stations/" MAC_FMT, MAC_ARG(sta->addr));
+	sprintf(buf, "../../stations/%s", print_mac(mac, sta->addr));
 	key->debugfs.stalink =
 		debugfs_create_symlink("station", key->debugfs.dir, buf);
 }
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 8ceda33..9efb84c 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -66,7 +66,8 @@
 	const struct ieee80211_sub_if_data *sdata, char *buf,		\
 	int buflen)							\
 {									\
-	return scnprintf(buf, buflen, MAC_FMT "\n", MAC_ARG(sdata->field));\
+	DECLARE_MAC_BUF(mac);						\
+	return scnprintf(buf, buflen, "%s\n", print_mac(mac, sdata->field));\
 }
 
 #define __IEEE80211_IF_FILE(name)					\
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 2daaa80..f7c717c 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -203,15 +203,15 @@
 
 void ieee80211_sta_debugfs_add(struct sta_info *sta)
 {
-	char buf[3*6];
 	struct dentry *stations_dir = sta->local->debugfs.stations;
+	DECLARE_MAC_BUF(mac);
 
 	if (!stations_dir)
 		return;
 
-	sprintf(buf, MAC_FMT, MAC_ARG(sta->addr));
+	print_mac(mac, sta->addr);
 
-	sta->debugfs.dir = debugfs_create_dir(buf, stations_dir);
+	sta->debugfs.dir = debugfs_create_dir(mac, stations_dir);
 	if (!sta->debugfs.dir)
 		return;
 
diff --git a/net/mac80211/event.c b/net/mac80211/event.c
index 68a526c..2280f40 100644
--- a/net/mac80211/event.c
+++ b/net/mac80211/event.c
@@ -22,13 +22,14 @@
 {
 	union iwreq_data wrqu;
 	char *buf = kmalloc(128, GFP_ATOMIC);
+	DECLARE_MAC_BUF(mac);
 
 	if (buf) {
 		/* TODO: needed parameters: count, key type, TSC */
 		sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
-			"keyid=%d %scast addr=" MAC_FMT ")",
+			"keyid=%d %scast addr=%s)",
 			keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
-			MAC_ARG(hdr->addr2));
+			print_mac(mac, hdr->addr2));
 		memset(&wrqu, 0, sizeof(wrqu));
 		wrqu.data.length = strlen(buf);
 		wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 0c1f7b2..4229d15 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -602,6 +602,7 @@
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct sta_info *sta;
+	DECLARE_MAC_BUF(mac);
 
 	if (compare_ether_addr(remote_addr, sdata->u.wds.remote_addr) == 0)
 		return 0;
@@ -619,8 +620,8 @@
 		sta_info_put(sta);
 	} else {
 		printk(KERN_DEBUG "%s: could not find STA entry for WDS link "
-		       "peer " MAC_FMT "\n",
-		       dev->name, MAC_ARG(sdata->u.wds.remote_addr));
+		       "peer %s\n",
+		       dev->name, print_mac(mac, sdata->u.wds.remote_addr));
 	}
 
 	/* Update WDS link data */
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 51dca21..6ccdde8 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -98,9 +98,10 @@
 		sta = sta_info_get(local, sta_addr);
 		if (!sta) {
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+			DECLARE_MAC_BUF(mac);
 			printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
-			       MAC_FMT "\n",
-			       dev->name, MAC_ARG(sta_addr));
+			       "%s\n",
+			       dev->name, print_mac(mac, sta_addr));
 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 
 			return -ENOENT;
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index 8fdbd38..f47cbd2 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -319,14 +319,15 @@
 	int use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
 	int preamble_mode = (erp_value & WLAN_ERP_BARKER_PREAMBLE) != 0;
 	u8 changes = 0;
+	DECLARE_MAC_BUF(mac);
 
 	if (use_protection != !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION)) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
-			       MAC_FMT ")\n",
+			       "%s)\n",
 			       dev->name,
 			       use_protection ? "enabled" : "disabled",
-			       MAC_ARG(ifsta->bssid));
+			       print_mac(mac, ifsta->bssid));
 		}
 		if (use_protection)
 			sdata->flags |= IEEE80211_SDATA_USE_PROTECTION;
@@ -338,11 +339,11 @@
 	if (preamble_mode != !(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE)) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: switched to %s barker preamble"
-			       " (BSSID=" MAC_FMT ")\n",
+			       " (BSSID=%s)\n",
 			       dev->name,
 			       (preamble_mode == WLAN_ERP_PREAMBLE_SHORT) ?
 					"short" : "long",
-			       MAC_ARG(ifsta->bssid));
+			       print_mac(mac, ifsta->bssid));
 		}
 		if (preamble_mode)
 			sdata->flags &= ~IEEE80211_SDATA_SHORT_PREAMBLE;
@@ -524,18 +525,20 @@
 static void ieee80211_authenticate(struct net_device *dev,
 				   struct ieee80211_if_sta *ifsta)
 {
+	DECLARE_MAC_BUF(mac);
+
 	ifsta->auth_tries++;
 	if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
-		printk(KERN_DEBUG "%s: authentication with AP " MAC_FMT
+		printk(KERN_DEBUG "%s: authentication with AP %s"
 		       " timed out\n",
-		       dev->name, MAC_ARG(ifsta->bssid));
+		       dev->name, print_mac(mac, ifsta->bssid));
 		ifsta->state = IEEE80211_DISABLED;
 		return;
 	}
 
 	ifsta->state = IEEE80211_AUTHENTICATE;
-	printk(KERN_DEBUG "%s: authenticate with AP " MAC_FMT "\n",
-	       dev->name, MAC_ARG(ifsta->bssid));
+	printk(KERN_DEBUG "%s: authenticate with AP %s\n",
+	       dev->name, print_mac(mac, ifsta->bssid));
 
 	ieee80211_send_auth(dev, ifsta, 1, NULL, 0, 0);
 
@@ -744,18 +747,20 @@
 static void ieee80211_associate(struct net_device *dev,
 				struct ieee80211_if_sta *ifsta)
 {
+	DECLARE_MAC_BUF(mac);
+
 	ifsta->assoc_tries++;
 	if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
-		printk(KERN_DEBUG "%s: association with AP " MAC_FMT
+		printk(KERN_DEBUG "%s: association with AP %s"
 		       " timed out\n",
-		       dev->name, MAC_ARG(ifsta->bssid));
+		       dev->name, print_mac(mac, ifsta->bssid));
 		ifsta->state = IEEE80211_DISABLED;
 		return;
 	}
 
 	ifsta->state = IEEE80211_ASSOCIATE;
-	printk(KERN_DEBUG "%s: associate with AP " MAC_FMT "\n",
-	       dev->name, MAC_ARG(ifsta->bssid));
+	printk(KERN_DEBUG "%s: associate with AP %s\n",
+	       dev->name, print_mac(mac, ifsta->bssid));
 	if (ieee80211_privacy_mismatch(dev, ifsta)) {
 		printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
 		       "mixed-cell disabled - abort association\n", dev->name);
@@ -775,6 +780,7 @@
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct sta_info *sta;
 	int disassoc;
+	DECLARE_MAC_BUF(mac);
 
 	/* TODO: start monitoring current AP signal quality and number of
 	 * missed beacons. Scan other channels every now and then and search
@@ -785,8 +791,8 @@
 
 	sta = sta_info_get(local, ifsta->bssid);
 	if (!sta) {
-		printk(KERN_DEBUG "%s: No STA entry for own AP " MAC_FMT "\n",
-		       dev->name, MAC_ARG(ifsta->bssid));
+		printk(KERN_DEBUG "%s: No STA entry for own AP %s\n",
+		       dev->name, print_mac(mac, ifsta->bssid));
 		disassoc = 1;
 	} else {
 		disassoc = 0;
@@ -794,9 +800,9 @@
 			       sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
 			if (ifsta->flags & IEEE80211_STA_PROBEREQ_POLL) {
 				printk(KERN_DEBUG "%s: No ProbeResp from "
-				       "current AP " MAC_FMT " - assume out of "
+				       "current AP %s - assume out of "
 				       "range\n",
-				       dev->name, MAC_ARG(ifsta->bssid));
+				       dev->name, print_mac(mac, ifsta->bssid));
 				disassoc = 1;
 				sta_info_free(sta);
 			} else
@@ -944,37 +950,38 @@
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	u16 auth_alg, auth_transaction, status_code;
+	DECLARE_MAC_BUF(mac);
 
 	if (ifsta->state != IEEE80211_AUTHENTICATE &&
 	    sdata->type != IEEE80211_IF_TYPE_IBSS) {
 		printk(KERN_DEBUG "%s: authentication frame received from "
-		       MAC_FMT ", but not in authenticate state - ignored\n",
-		       dev->name, MAC_ARG(mgmt->sa));
+		       "%s, but not in authenticate state - ignored\n",
+		       dev->name, print_mac(mac, mgmt->sa));
 		return;
 	}
 
 	if (len < 24 + 6) {
 		printk(KERN_DEBUG "%s: too short (%zd) authentication frame "
-		       "received from " MAC_FMT " - ignored\n",
-		       dev->name, len, MAC_ARG(mgmt->sa));
+		       "received from %s - ignored\n",
+		       dev->name, len, print_mac(mac, mgmt->sa));
 		return;
 	}
 
 	if (sdata->type != IEEE80211_IF_TYPE_IBSS &&
 	    memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
 		printk(KERN_DEBUG "%s: authentication frame received from "
-		       "unknown AP (SA=" MAC_FMT " BSSID=" MAC_FMT ") - "
-		       "ignored\n", dev->name, MAC_ARG(mgmt->sa),
-		       MAC_ARG(mgmt->bssid));
+		       "unknown AP (SA=%s BSSID=%s) - "
+		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
+		       print_mac(mac, mgmt->bssid));
 		return;
 	}
 
 	if (sdata->type != IEEE80211_IF_TYPE_IBSS &&
 	    memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0) {
 		printk(KERN_DEBUG "%s: authentication frame received from "
-		       "unknown BSSID (SA=" MAC_FMT " BSSID=" MAC_FMT ") - "
-		       "ignored\n", dev->name, MAC_ARG(mgmt->sa),
-		       MAC_ARG(mgmt->bssid));
+		       "unknown BSSID (SA=%s BSSID=%s) - "
+		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
+		       print_mac(mac, mgmt->bssid));
 		return;
 	}
 
@@ -982,9 +989,9 @@
 	auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
 	status_code = le16_to_cpu(mgmt->u.auth.status_code);
 
-	printk(KERN_DEBUG "%s: RX authentication from " MAC_FMT " (alg=%d "
+	printk(KERN_DEBUG "%s: RX authentication from %s (alg=%d "
 	       "transaction=%d status=%d)\n",
-	       dev->name, MAC_ARG(mgmt->sa), auth_alg,
+	       dev->name, print_mac(mac, mgmt->sa), auth_alg,
 	       auth_transaction, status_code);
 
 	if (sdata->type == IEEE80211_IF_TYPE_IBSS) {
@@ -1071,27 +1078,28 @@
 				     size_t len)
 {
 	u16 reason_code;
+	DECLARE_MAC_BUF(mac);
 
 	if (len < 24 + 2) {
 		printk(KERN_DEBUG "%s: too short (%zd) deauthentication frame "
-		       "received from " MAC_FMT " - ignored\n",
-		       dev->name, len, MAC_ARG(mgmt->sa));
+		       "received from %s - ignored\n",
+		       dev->name, len, print_mac(mac, mgmt->sa));
 		return;
 	}
 
 	if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
 		printk(KERN_DEBUG "%s: deauthentication frame received from "
-		       "unknown AP (SA=" MAC_FMT " BSSID=" MAC_FMT ") - "
-		       "ignored\n", dev->name, MAC_ARG(mgmt->sa),
-		       MAC_ARG(mgmt->bssid));
+		       "unknown AP (SA=%s BSSID=%s) - "
+		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
+		       print_mac(mac, mgmt->bssid));
 		return;
 	}
 
 	reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
 
-	printk(KERN_DEBUG "%s: RX deauthentication from " MAC_FMT
+	printk(KERN_DEBUG "%s: RX deauthentication from %s"
 	       " (reason=%d)\n",
-	       dev->name, MAC_ARG(mgmt->sa), reason_code);
+	       dev->name, print_mac(mac, mgmt->sa), reason_code);
 
 	if (ifsta->flags & IEEE80211_STA_AUTHENTICATED) {
 		printk(KERN_DEBUG "%s: deauthenticated\n", dev->name);
@@ -1116,27 +1124,28 @@
 				       size_t len)
 {
 	u16 reason_code;
+	DECLARE_MAC_BUF(mac);
 
 	if (len < 24 + 2) {
 		printk(KERN_DEBUG "%s: too short (%zd) disassociation frame "
-		       "received from " MAC_FMT " - ignored\n",
-		       dev->name, len, MAC_ARG(mgmt->sa));
+		       "received from %s - ignored\n",
+		       dev->name, len, print_mac(mac, mgmt->sa));
 		return;
 	}
 
 	if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
 		printk(KERN_DEBUG "%s: disassociation frame received from "
-		       "unknown AP (SA=" MAC_FMT " BSSID=" MAC_FMT ") - "
-		       "ignored\n", dev->name, MAC_ARG(mgmt->sa),
-		       MAC_ARG(mgmt->bssid));
+		       "unknown AP (SA=%s BSSID=%s) - "
+		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
+		       print_mac(mac, mgmt->bssid));
 		return;
 	}
 
 	reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
 
-	printk(KERN_DEBUG "%s: RX disassociation from " MAC_FMT
+	printk(KERN_DEBUG "%s: RX disassociation from %s"
 	       " (reason=%d)\n",
-	       dev->name, MAC_ARG(mgmt->sa), reason_code);
+	       dev->name, print_mac(mac, mgmt->sa), reason_code);
 
 	if (ifsta->flags & IEEE80211_STA_ASSOCIATED)
 		printk(KERN_DEBUG "%s: disassociated\n", dev->name);
@@ -1165,29 +1174,30 @@
 	struct ieee802_11_elems elems;
 	u8 *pos;
 	int i, j;
+	DECLARE_MAC_BUF(mac);
 
 	/* AssocResp and ReassocResp have identical structure, so process both
 	 * of them in this function. */
 
 	if (ifsta->state != IEEE80211_ASSOCIATE) {
 		printk(KERN_DEBUG "%s: association frame received from "
-		       MAC_FMT ", but not in associate state - ignored\n",
-		       dev->name, MAC_ARG(mgmt->sa));
+		       "%s, but not in associate state - ignored\n",
+		       dev->name, print_mac(mac, mgmt->sa));
 		return;
 	}
 
 	if (len < 24 + 6) {
 		printk(KERN_DEBUG "%s: too short (%zd) association frame "
-		       "received from " MAC_FMT " - ignored\n",
-		       dev->name, len, MAC_ARG(mgmt->sa));
+		       "received from %s - ignored\n",
+		       dev->name, len, print_mac(mac, mgmt->sa));
 		return;
 	}
 
 	if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
 		printk(KERN_DEBUG "%s: association frame received from "
-		       "unknown AP (SA=" MAC_FMT " BSSID=" MAC_FMT ") - "
-		       "ignored\n", dev->name, MAC_ARG(mgmt->sa),
-		       MAC_ARG(mgmt->bssid));
+		       "unknown AP (SA=%s BSSID=%s) - "
+		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
+		       print_mac(mac, mgmt->bssid));
 		return;
 	}
 
@@ -1199,9 +1209,9 @@
 		       "set\n", dev->name, aid);
 	aid &= ~(BIT(15) | BIT(14));
 
-	printk(KERN_DEBUG "%s: RX %sssocResp from " MAC_FMT " (capab=0x%x "
+	printk(KERN_DEBUG "%s: RX %sssocResp from %s (capab=0x%x "
 	       "status=%d aid=%d)\n",
-	       dev->name, reassoc ? "Rea" : "A", MAC_ARG(mgmt->sa),
+	       dev->name, reassoc ? "Rea" : "A", print_mac(mac, mgmt->sa),
 	       capab_info, status_code, aid);
 
 	if (status_code != WLAN_STATUS_SUCCESS) {
@@ -1435,14 +1445,16 @@
 	struct sta_info *sta;
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	u64 timestamp;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
 
 	if (!beacon && memcmp(mgmt->da, dev->dev_addr, ETH_ALEN))
 		return; /* ignore ProbeResp to foreign address */
 
 #if 0
-	printk(KERN_DEBUG "%s: RX %s from " MAC_FMT " to " MAC_FMT "\n",
+	printk(KERN_DEBUG "%s: RX %s from %s to %s\n",
 	       dev->name, beacon ? "Beacon" : "Probe Response",
-	       MAC_ARG(mgmt->sa), MAC_ARG(mgmt->da));
+	       print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da));
 #endif
 
 	baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
@@ -1461,10 +1473,10 @@
 		else
 			tsf = -1LLU;
 		if (time_after(jiffies, last_tsf_debug + 5 * HZ)) {
-			printk(KERN_DEBUG "RX beacon SA=" MAC_FMT " BSSID="
-			       MAC_FMT " TSF=0x%llx BCN=0x%llx diff=%lld "
+			printk(KERN_DEBUG "RX beacon SA=%s BSSID="
+			       "%s TSF=0x%llx BCN=0x%llx diff=%lld "
 			       "@%lu\n",
-			       MAC_ARG(mgmt->sa), MAC_ARG(mgmt->bssid),
+			       print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->bssid),
 			       (unsigned long long)tsf,
 			       (unsigned long long)timestamp,
 			       (unsigned long long)(tsf - timestamp),
@@ -1518,9 +1530,9 @@
 		}
 		if (sta->supp_rates != prev_rates) {
 			printk(KERN_DEBUG "%s: updated supp_rates set for "
-			       MAC_FMT " based on beacon info (0x%x & 0x%x -> "
+			       "%s based on beacon info (0x%x & 0x%x -> "
 			       "0x%x)\n",
-			       dev->name, MAC_ARG(sta->addr), prev_rates,
+			       dev->name, print_mac(mac, sta->addr), prev_rates,
 			       supp_rates, sta->supp_rates);
 		}
 		sta_info_put(sta);
@@ -1722,6 +1734,11 @@
 	struct sk_buff *skb;
 	struct ieee80211_mgmt *resp;
 	u8 *pos, *end;
+	DECLARE_MAC_BUF(mac);
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+	DECLARE_MAC_BUF(mac2);
+	DECLARE_MAC_BUF(mac3);
+#endif
 
 	if (sdata->type != IEEE80211_IF_TYPE_IBSS ||
 	    ifsta->state != IEEE80211_IBSS_JOINED ||
@@ -1734,10 +1751,10 @@
 		tx_last_beacon = 1;
 
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
-	printk(KERN_DEBUG "%s: RX ProbeReq SA=" MAC_FMT " DA=" MAC_FMT " BSSID="
-	       MAC_FMT " (tx_last_beacon=%d)\n",
-	       dev->name, MAC_ARG(mgmt->sa), MAC_ARG(mgmt->da),
-	       MAC_ARG(mgmt->bssid), tx_last_beacon);
+	printk(KERN_DEBUG "%s: RX ProbeReq SA=%s DA=%s BSSID="
+	       "%s (tx_last_beacon=%d)\n",
+	       dev->name, print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da),
+	       print_mac(mac3, mgmt->bssid), tx_last_beacon);
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
 
 	if (!tx_last_beacon)
@@ -1753,8 +1770,8 @@
 	    pos + 2 + pos[1] > end) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
-			       "from " MAC_FMT "\n",
-			       dev->name, MAC_ARG(mgmt->sa));
+			       "from %s\n",
+			       dev->name, print_mac(mac, mgmt->sa));
 		}
 		return;
 	}
@@ -1773,8 +1790,8 @@
 	resp = (struct ieee80211_mgmt *) skb->data;
 	memcpy(resp->da, mgmt->sa, ETH_ALEN);
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
-	printk(KERN_DEBUG "%s: Sending ProbeResp to " MAC_FMT "\n",
-	       dev->name, MAC_ARG(resp->da));
+	printk(KERN_DEBUG "%s: Sending ProbeResp to %s\n",
+	       dev->name, print_mac(mac, resp->da));
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
 	ieee80211_sta_tx(dev, skb, 0);
 }
@@ -1925,13 +1942,14 @@
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct sta_info *sta, *tmp;
 	LIST_HEAD(tmp_list);
+	DECLARE_MAC_BUF(mac);
 
 	write_lock_bh(&local->sta_lock);
 	list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
 		if (time_after(jiffies, sta->last_rx +
 			       IEEE80211_IBSS_INACTIVITY_LIMIT)) {
-			printk(KERN_DEBUG "%s: expiring inactive STA " MAC_FMT
-			       "\n", dev->name, MAC_ARG(sta->addr));
+			printk(KERN_DEBUG "%s: expiring inactive STA %s\n",
+			       dev->name, print_mac(mac, sta->addr));
 			__sta_info_get(sta);
 			sta_info_remove(sta);
 			list_add(&sta->list, &tmp_list);
@@ -2362,6 +2380,7 @@
 	struct ieee80211_hw_mode *mode;
 	u8 bssid[ETH_ALEN], *pos;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 #if 0
 	/* Easier testing, use fixed BSSID. */
@@ -2377,8 +2396,8 @@
 	bssid[0] |= 0x02;
 #endif
 
-	printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID " MAC_FMT "\n",
-	       dev->name, MAC_ARG(bssid));
+	printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %s\n",
+	       dev->name, print_mac(mac, bssid));
 
 	bss = ieee80211_rx_bss_add(dev, bssid);
 	if (!bss)
@@ -2418,6 +2437,8 @@
 	int found = 0;
 	u8 bssid[ETH_ALEN];
 	int active_ibss;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
 
 	if (ifsta->ssid_len == 0)
 		return -EINVAL;
@@ -2434,8 +2455,8 @@
 		    || !(bss->capability & WLAN_CAPABILITY_IBSS))
 			continue;
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
-		printk(KERN_DEBUG "   bssid=" MAC_FMT " found\n",
-		       MAC_ARG(bss->bssid));
+		printk(KERN_DEBUG "   bssid=%s found\n",
+		       print_mac(mac, bss->bssid));
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
 		memcpy(bssid, bss->bssid, ETH_ALEN);
 		found = 1;
@@ -2445,14 +2466,14 @@
 	spin_unlock_bh(&local->sta_bss_lock);
 
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
-	printk(KERN_DEBUG "   sta_find_ibss: selected " MAC_FMT " current "
-	       MAC_FMT "\n", MAC_ARG(bssid), MAC_ARG(ifsta->bssid));
+	printk(KERN_DEBUG "   sta_find_ibss: selected %s current "
+	       "%s\n", print_mac(mac, bssid), print_mac(mac2, ifsta->bssid));
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
 	if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0 &&
 	    (bss = ieee80211_rx_bss_get(dev, bssid))) {
-		printk(KERN_DEBUG "%s: Selected IBSS BSSID " MAC_FMT
+		printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
 		       " based on configured SSID\n",
-		       dev->name, MAC_ARG(bssid));
+		       dev->name, print_mac(mac, bssid));
 		return ieee80211_sta_join_ibss(dev, ifsta, bss);
 	}
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
@@ -3070,19 +3091,20 @@
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct sta_info *sta;
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	DECLARE_MAC_BUF(mac);
 
 	/* TODO: Could consider removing the least recently used entry and
 	 * allow new one to be added. */
 	if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: No room for a new IBSS STA "
-			       "entry " MAC_FMT "\n", dev->name, MAC_ARG(addr));
+			       "entry %s\n", dev->name, print_mac(mac, addr));
 		}
 		return NULL;
 	}
 
-	printk(KERN_DEBUG "%s: Adding new IBSS station " MAC_FMT " (dev=%s)\n",
-	       local->mdev->name, MAC_ARG(addr), dev->name);
+	printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n",
+	       local->mdev->name, print_mac(mac, addr), dev->name);
 
 	sta = sta_info_add(local, dev, addr, GFP_ATOMIC);
 	if (!sta)
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index dd6fc4a..c10e53a 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -63,6 +63,7 @@
 {
 	const u8 *addr;
 	int ret;
+	DECLARE_MAC_BUF(mac);
 
 	if (!key->local->ops->set_key)
 		return;
@@ -78,15 +79,16 @@
 
 	if (ret && ret != -ENOSPC && ret != -EOPNOTSUPP)
 		printk(KERN_ERR "mac80211-%s: failed to set key "
-		       "(%d, " MAC_FMT ") to hardware (%d)\n",
+		       "(%d, %s) to hardware (%d)\n",
 		       wiphy_name(key->local->hw.wiphy),
-		       key->conf.keyidx, MAC_ARG(addr), ret);
+		       key->conf.keyidx, print_mac(mac, addr), ret);
 }
 
 static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
 {
 	const u8 *addr;
 	int ret;
+	DECLARE_MAC_BUF(mac);
 
 	if (!key->local->ops->set_key)
 		return;
@@ -102,9 +104,9 @@
 
 	if (ret)
 		printk(KERN_ERR "mac80211-%s: failed to remove key "
-		       "(%d, " MAC_FMT ") from hardware (%d)\n",
+		       "(%d, %s) from hardware (%d)\n",
 		       wiphy_name(key->local->hw.wiphy),
-		       key->conf.keyidx, MAC_ARG(addr), ret);
+		       key->conf.keyidx, print_mac(mac, addr), ret);
 
 	key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
 }
diff --git a/net/mac80211/rc80211_simple.c b/net/mac80211/rc80211_simple.c
index ef91ce4..314b8de 100644
--- a/net/mac80211/rc80211_simple.c
+++ b/net/mac80211/rc80211_simple.c
@@ -201,9 +201,10 @@
 		srctrl->avg_rate_update = jiffies;
 		if (srctrl->tx_avg_rate_num > 0) {
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-			printk(KERN_DEBUG "%s: STA " MAC_FMT " Average rate: "
+			DECLARE_MAC_BUF(mac);
+			printk(KERN_DEBUG "%s: STA %s Average rate: "
 			       "%d (%d/%d)\n",
-			       dev->name, MAC_ARG(sta->addr),
+			       dev->name, print_mac(mac, sta->addr),
 			       srctrl->tx_avg_rate_sum /
 			       srctrl->tx_avg_rate_num,
 			       srctrl->tx_avg_rate_sum,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index c985c7a..e9dcc62 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -403,6 +403,8 @@
 static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta)
 {
 	struct ieee80211_sub_if_data *sdata;
+	DECLARE_MAC_BUF(mac);
+
 	sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
 
 	if (sdata->bss)
@@ -410,8 +412,8 @@
 	sta->flags |= WLAN_STA_PS;
 	sta->pspoll = 0;
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-	printk(KERN_DEBUG "%s: STA " MAC_FMT " aid %d enters power "
-	       "save mode\n", dev->name, MAC_ARG(sta->addr), sta->aid);
+	printk(KERN_DEBUG "%s: STA %s aid %d enters power save mode\n",
+	       dev->name, print_mac(mac, sta->addr), sta->aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 }
 
@@ -422,6 +424,7 @@
 	int sent = 0;
 	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_tx_packet_data *pkt_data;
+	DECLARE_MAC_BUF(mac);
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
 	if (sdata->bss)
@@ -435,8 +438,8 @@
 			bss_tim_clear(local, sdata->bss, sta->aid);
 	}
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-	printk(KERN_DEBUG "%s: STA " MAC_FMT " aid %d exits power "
-	       "save mode\n", dev->name, MAC_ARG(sta->addr), sta->aid);
+	printk(KERN_DEBUG "%s: STA %s aid %d exits power save mode\n",
+	       dev->name, print_mac(mac, sta->addr), sta->aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 	/* Send all buffered frames to the station */
 	while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
@@ -450,9 +453,9 @@
 		local->total_ps_buffered--;
 		sent++;
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-		printk(KERN_DEBUG "%s: STA " MAC_FMT " aid %d send PS frame "
+		printk(KERN_DEBUG "%s: STA %s aid %d send PS frame "
 		       "since STA not sleeping anymore\n", dev->name,
-		       MAC_ARG(sta->addr), sta->aid);
+		       print_mac(mac, sta->addr), sta->aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 		pkt_data->flags |= IEEE80211_TXPD_REQUEUE;
 		dev_queue_xmit(skb);
@@ -590,13 +593,15 @@
 #ifdef CONFIG_MAC80211_DEBUG
 		struct ieee80211_hdr *hdr =
 			(struct ieee80211_hdr *) entry->skb_list.next->data;
+		DECLARE_MAC_BUF(mac);
+		DECLARE_MAC_BUF(mac2);
 		printk(KERN_DEBUG "%s: RX reassembly removed oldest "
 		       "fragment entry (idx=%d age=%lu seq=%d last_frag=%d "
-		       "addr1=" MAC_FMT " addr2=" MAC_FMT "\n",
+		       "addr1=%s addr2=%s\n",
 		       sdata->dev->name, idx,
 		       jiffies - entry->first_frag_time, entry->seq,
-		       entry->last_frag, MAC_ARG(hdr->addr1),
-		       MAC_ARG(hdr->addr2));
+		       entry->last_frag, print_mac(mac, hdr->addr1),
+		       print_mac(mac2, hdr->addr2));
 #endif /* CONFIG_MAC80211_DEBUG */
 		__skb_queue_purge(&entry->skb_list);
 	}
@@ -662,6 +667,7 @@
 	unsigned int frag, seq;
 	struct ieee80211_fragment_entry *entry;
 	struct sk_buff *skb;
+	DECLARE_MAC_BUF(mac);
 
 	hdr = (struct ieee80211_hdr *) rx->skb->data;
 	sc = le16_to_cpu(hdr->seq_ctrl);
@@ -720,10 +726,10 @@
 		if (memcmp(pn, rpn, CCMP_PN_LEN) != 0) {
 			if (net_ratelimit())
 				printk(KERN_DEBUG "%s: defrag: CCMP PN not "
-				       "sequential A2=" MAC_FMT
+				       "sequential A2=%s"
 				       " PN=%02x%02x%02x%02x%02x%02x "
 				       "(expected %02x%02x%02x%02x%02x%02x)\n",
-				       rx->dev->name, MAC_ARG(hdr->addr2),
+				       rx->dev->name, print_mac(mac, hdr->addr2),
 				       rpn[0], rpn[1], rpn[2], rpn[3], rpn[4],
 				       rpn[5], pn[0], pn[1], pn[2], pn[3],
 				       pn[4], pn[5]);
@@ -774,6 +780,7 @@
 {
 	struct sk_buff *skb;
 	int no_pending_pkts;
+	DECLARE_MAC_BUF(mac);
 
 	if (likely(!rx->sta ||
 		   (rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL ||
@@ -799,9 +806,8 @@
 		rx->sta->pspoll = 1;
 
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-		printk(KERN_DEBUG "STA " MAC_FMT " aid %d: PS Poll (entries "
-		       "after %d)\n",
-		       MAC_ARG(rx->sta->addr), rx->sta->aid,
+		printk(KERN_DEBUG "STA %s aid %d: PS Poll (entries after %d)\n",
+		       print_mac(mac, rx->sta->addr), rx->sta->aid,
 		       skb_queue_len(&rx->sta->ps_tx_buf));
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 
@@ -824,9 +830,9 @@
 		}
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 	} else if (!rx->u.rx.sent_ps_buffered) {
-		printk(KERN_DEBUG "%s: STA " MAC_FMT " sent PS Poll even "
+		printk(KERN_DEBUG "%s: STA %s sent PS Poll even "
 		       "though there is no buffered frames for it\n",
-		       rx->dev->name, MAC_ARG(rx->sta->addr));
+		       rx->dev->name, print_mac(mac, rx->sta->addr));
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 
 	}
@@ -881,9 +887,10 @@
 #ifdef CONFIG_MAC80211_DEBUG
 		struct ieee80211_hdr *hdr =
 			(struct ieee80211_hdr *) rx->skb->data;
-		printk(KERN_DEBUG "%s: dropped frame from " MAC_FMT
+		DECLARE_MAC_BUF(mac);
+		printk(KERN_DEBUG "%s: dropped frame from %s"
 		       " (unauthorized port)\n", rx->dev->name,
-		       MAC_ARG(hdr->addr2));
+		       print_mac(mac, hdr->addr2));
 #endif /* CONFIG_MAC80211_DEBUG */
 		return TXRX_DROP;
 	}
@@ -928,6 +935,10 @@
 	u8 src[ETH_ALEN];
 	struct sk_buff *skb = rx->skb, *skb2;
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
+	DECLARE_MAC_BUF(mac3);
+	DECLARE_MAC_BUF(mac4);
 
 	fc = rx->fc;
 	if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA))
@@ -958,13 +969,11 @@
 			     sdata->type != IEEE80211_IF_TYPE_VLAN)) {
 			if (net_ratelimit())
 				printk(KERN_DEBUG "%s: dropped ToDS frame "
-				       "(BSSID=" MAC_FMT
-				       " SA=" MAC_FMT
-				       " DA=" MAC_FMT ")\n",
+				       "(BSSID=%s SA=%s DA=%s)\n",
 				       dev->name,
-				       MAC_ARG(hdr->addr1),
-				       MAC_ARG(hdr->addr2),
-				       MAC_ARG(hdr->addr3));
+				       print_mac(mac, hdr->addr1),
+				       print_mac(mac2, hdr->addr2),
+				       print_mac(mac3, hdr->addr3));
 			return TXRX_DROP;
 		}
 		break;
@@ -976,14 +985,12 @@
 		if (unlikely(sdata->type != IEEE80211_IF_TYPE_WDS)) {
 			if (net_ratelimit())
 				printk(KERN_DEBUG "%s: dropped FromDS&ToDS "
-				       "frame (RA=" MAC_FMT
-				       " TA=" MAC_FMT " DA=" MAC_FMT
-				       " SA=" MAC_FMT ")\n",
+				       "frame (RA=%s TA=%s DA=%s SA=%s)\n",
 				       rx->dev->name,
-				       MAC_ARG(hdr->addr1),
-				       MAC_ARG(hdr->addr2),
-				       MAC_ARG(hdr->addr3),
-				       MAC_ARG(hdr->addr4));
+				       print_mac(mac, hdr->addr1),
+				       print_mac(mac2, hdr->addr2),
+				       print_mac(mac3, hdr->addr3),
+				       print_mac(mac4, hdr->addr4));
 			return TXRX_DROP;
 		}
 		break;
@@ -1004,12 +1011,12 @@
 
 		if (sdata->type != IEEE80211_IF_TYPE_IBSS) {
 			if (net_ratelimit()) {
-				printk(KERN_DEBUG "%s: dropped IBSS frame (DA="
-				       MAC_FMT " SA=" MAC_FMT " BSSID=" MAC_FMT
-				       ")\n",
-				       dev->name, MAC_ARG(hdr->addr1),
-				       MAC_ARG(hdr->addr2),
-				       MAC_ARG(hdr->addr3));
+				printk(KERN_DEBUG "%s: dropped IBSS frame "
+				       "(DA=%s SA=%s BSSID=%s)\n",
+				       dev->name,
+				       print_mac(mac, hdr->addr1),
+				       print_mac(mac2, hdr->addr2),
+				       print_mac(mac3, hdr->addr3));
 			}
 			return TXRX_DROP;
 		}
@@ -1172,6 +1179,8 @@
 					    struct ieee80211_txrx_data *rx)
 {
 	int keyidx, hdrlen;
+	DECLARE_MAC_BUF(mac);
+	DECLARE_MAC_BUF(mac2);
 
 	hdrlen = ieee80211_get_hdrlen_from_skb(rx->skb);
 	if (rx->skb->len >= hdrlen + 4)
@@ -1181,9 +1190,9 @@
 
 	if (net_ratelimit())
 		printk(KERN_DEBUG "%s: TKIP hwaccel reported Michael MIC "
-		       "failure from " MAC_FMT " to " MAC_FMT " keyidx=%d\n",
-		       dev->name, MAC_ARG(hdr->addr2), MAC_ARG(hdr->addr1),
-		       keyidx);
+		       "failure from %s to %s keyidx=%d\n",
+		       dev->name, print_mac(mac, hdr->addr2),
+		       print_mac(mac2, hdr->addr1), keyidx);
 
 	if (!sta) {
 		/*
@@ -1192,8 +1201,8 @@
 		 */
 		if (net_ratelimit())
 			printk(KERN_DEBUG "%s: ignored spurious Michael MIC "
-			       "error for unknown address " MAC_FMT "\n",
-			       dev->name, MAC_ARG(hdr->addr2));
+			       "error for unknown address %s\n",
+			       dev->name, print_mac(mac, hdr->addr2));
 		goto ignore;
 	}
 
@@ -1201,7 +1210,7 @@
 		if (net_ratelimit())
 			printk(KERN_DEBUG "%s: ignored spurious Michael MIC "
 			       "error for a frame with no PROTECTED flag (src "
-			       MAC_FMT ")\n", dev->name, MAC_ARG(hdr->addr2));
+			       "%s)\n", dev->name, print_mac(mac, hdr->addr2));
 		goto ignore;
 	}
 
@@ -1215,8 +1224,8 @@
 		if (net_ratelimit())
 			printk(KERN_DEBUG "%s: ignored Michael MIC error for "
 			       "a frame with non-zero keyidx (%d)"
-			       " (src " MAC_FMT ")\n", dev->name, keyidx,
-			       MAC_ARG(hdr->addr2));
+			       " (src %s)\n", dev->name, keyidx,
+			       print_mac(mac, hdr->addr2));
 		goto ignore;
 	}
 
@@ -1226,8 +1235,8 @@
 		if (net_ratelimit())
 			printk(KERN_DEBUG "%s: ignored spurious Michael MIC "
 			       "error for a frame that cannot be encrypted "
-			       "(fc=0x%04x) (src " MAC_FMT ")\n",
-			       dev->name, rx->fc, MAC_ARG(hdr->addr2));
+			       "(fc=0x%04x) (src %s)\n",
+			       dev->name, rx->fc, print_mac(mac, hdr->addr2));
 		goto ignore;
 	}
 
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index c17172a..44d9834 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -132,6 +132,7 @@
 			       struct net_device *dev, u8 *addr, gfp_t gfp)
 {
 	struct sta_info *sta;
+	DECLARE_MAC_BUF(mac);
 
 	sta = kzalloc(sizeof(*sta), gfp);
 	if (!sta)
@@ -164,8 +165,8 @@
 	write_unlock_bh(&local->sta_lock);
 
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-	printk(KERN_DEBUG "%s: Added STA " MAC_FMT "\n",
-	       local->mdev->name, MAC_ARG(addr));
+	printk(KERN_DEBUG "%s: Added STA %s\n",
+	       local->mdev->name, print_mac(mac, addr));
 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 
 #ifdef CONFIG_MAC80211_DEBUGFS
@@ -207,6 +208,7 @@
 {
 	struct sk_buff *skb;
 	struct ieee80211_local *local = sta->local;
+	DECLARE_MAC_BUF(mac);
 
 	might_sleep();
 
@@ -223,8 +225,8 @@
 	}
 
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-	printk(KERN_DEBUG "%s: Removed STA " MAC_FMT "\n",
-	       local->mdev->name, MAC_ARG(sta->addr));
+	printk(KERN_DEBUG "%s: Removed STA %s\n",
+	       local->mdev->name, print_mac(mac, sta->addr));
 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 
 	ieee80211_key_free(sta->key);
@@ -263,6 +265,7 @@
 {
 	unsigned long flags;
 	struct sk_buff *skb;
+	DECLARE_MAC_BUF(mac);
 
 	if (skb_queue_empty(&sta->ps_tx_buf))
 		return;
@@ -281,7 +284,7 @@
 		if (skb) {
 			local->total_ps_buffered--;
 			printk(KERN_DEBUG "Buffered frame expired (STA "
-			       MAC_FMT ")\n", MAC_ARG(sta->addr));
+			       "%s)\n", print_mac(mac, sta->addr));
 			dev_kfree_skb(skb);
 		} else
 			break;
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index b9c1d54..5b11f14 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -275,9 +275,10 @@
 	     (iv32 == key->u.tkip.iv32_rx[queue] &&
 	      iv16 <= key->u.tkip.iv16_rx[queue]))) {
 #ifdef CONFIG_TKIP_DEBUG
+		DECLARE_MAC_BUF(mac);
 		printk(KERN_DEBUG "TKIP replay detected for RX frame from "
-		       MAC_FMT " (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n",
-		       MAC_ARG(ta),
+		       "%s (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n",
+		       print_mac(mac, ta),
 		       iv32, iv16, key->u.tkip.iv32_rx[queue],
 		       key->u.tkip.iv16_rx[queue]);
 #endif /* CONFIG_TKIP_DEBUG */
@@ -299,8 +300,9 @@
 #ifdef CONFIG_TKIP_DEBUG
 		{
 			int i;
-			printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=" MAC_FMT
-			       " TK=", MAC_ARG(ta));
+			DECLARE_MAC_BUF(mac);
+			printk(KERN_DEBUG "TKIP decrypt: Phase1 TA=%s"
+			       " TK=", print_mac(mac, ta));
 			for (i = 0; i < 16; i++)
 				printk("%02x ",
 				       key->conf.key[
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index ca262a99e..04b4fa9 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -54,6 +54,7 @@
 	const struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	u16 fc;
 	int hdrlen;
+	DECLARE_MAC_BUF(mac);
 
 	printk(KERN_DEBUG "%s: %s (len=%d)", ifname, title, skb->len);
 	if (skb->len < 4) {
@@ -69,13 +70,13 @@
 		printk(" FC=0x%04x DUR=0x%04x",
 		       fc, le16_to_cpu(hdr->duration_id));
 	if (hdrlen >= 10)
-		printk(" A1=" MAC_FMT, MAC_ARG(hdr->addr1));
+		printk(" A1=%s", print_mac(mac, hdr->addr1));
 	if (hdrlen >= 16)
-		printk(" A2=" MAC_FMT, MAC_ARG(hdr->addr2));
+		printk(" A2=%s", print_mac(mac, hdr->addr2));
 	if (hdrlen >= 24)
-		printk(" A3=" MAC_FMT, MAC_ARG(hdr->addr3));
+		printk(" A3=%s", print_mac(mac, hdr->addr3));
 	if (hdrlen >= 30)
-		printk(" A4=" MAC_FMT, MAC_ARG(hdr->addr4));
+		printk(" A4=%s", print_mac(mac, hdr->addr4));
 	printk("\n");
 }
 #else /* CONFIG_MAC80211_LOWTX_FRAME_DUMP */
@@ -236,9 +237,10 @@
 			     tx->sdata->type != IEEE80211_IF_TYPE_IBSS &&
 			     (tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) {
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+			DECLARE_MAC_BUF(mac);
 			printk(KERN_DEBUG "%s: dropped data frame to not "
-			       "associated station " MAC_FMT "\n",
-			       tx->dev->name, MAC_ARG(hdr->addr1));
+			       "associated station %s\n",
+			       tx->dev->name, print_mac(mac, hdr->addr1));
 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 			I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc);
 			return TXRX_DROP;
@@ -259,9 +261,10 @@
 	if (unlikely(!tx->u.tx.mgmt_interface && tx->sdata->ieee802_1x &&
 		     !(sta_flags & WLAN_STA_AUTHORIZED))) {
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-		printk(KERN_DEBUG "%s: dropped frame to " MAC_FMT
+		DECLARE_MAC_BUF(mac);
+		printk(KERN_DEBUG "%s: dropped frame to %s"
 		       " (unauthorized port)\n", tx->dev->name,
-		       MAC_ARG(hdr->addr1));
+		       print_mac(mac, hdr->addr1));
 #endif
 		I802_DEBUG_INC(tx->local->tx_handlers_drop_unauth_port);
 		return TXRX_DROP;
@@ -357,6 +360,7 @@
 ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx)
 {
 	struct sta_info *sta = tx->sta;
+	DECLARE_MAC_BUF(mac);
 
 	if (unlikely(!sta ||
 		     ((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT &&
@@ -366,9 +370,9 @@
 	if (unlikely((sta->flags & WLAN_STA_PS) && !sta->pspoll)) {
 		struct ieee80211_tx_packet_data *pkt_data;
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-		printk(KERN_DEBUG "STA " MAC_FMT " aid %d: PS buffer (entries "
+		printk(KERN_DEBUG "STA %s aid %d: PS buffer (entries "
 		       "before %d)\n",
-		       MAC_ARG(sta->addr), sta->aid,
+		       print_mac(mac, sta->addr), sta->aid,
 		       skb_queue_len(&sta->ps_tx_buf));
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 		sta->flags |= WLAN_STA_TIM;
@@ -377,9 +381,9 @@
 		if (skb_queue_len(&sta->ps_tx_buf) >= STA_MAX_TX_BUFFER) {
 			struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf);
 			if (net_ratelimit()) {
-				printk(KERN_DEBUG "%s: STA " MAC_FMT " TX "
+				printk(KERN_DEBUG "%s: STA %s TX "
 				       "buffer full - dropping oldest frame\n",
-				       tx->dev->name, MAC_ARG(sta->addr));
+				       tx->dev->name, print_mac(mac, sta->addr));
 			}
 			dev_kfree_skb(old);
 		} else
@@ -399,9 +403,9 @@
 	}
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 	else if (unlikely(sta->flags & WLAN_STA_PS)) {
-		printk(KERN_DEBUG "%s: STA " MAC_FMT " in PS mode, but pspoll "
+		printk(KERN_DEBUG "%s: STA %s in PS mode, but pspoll "
 		       "set -> send frame\n", tx->dev->name,
-		       MAC_ARG(sta->addr));
+		       print_mac(mac, sta->addr));
 	}
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 	sta->pspoll = 0;
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 6e12638..360d11e 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -132,6 +132,7 @@
 	u8 mic[MICHAEL_MIC_LEN];
 	struct sk_buff *skb = rx->skb;
 	int authenticator = 1, wpa_test = 0;
+	DECLARE_MAC_BUF(mac);
 
 	fc = rx->fc;
 
@@ -164,7 +165,7 @@
 			return TXRX_DROP;
 
 		printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from "
-		       MAC_FMT "\n", rx->dev->name, MAC_ARG(sa));
+		       "%s\n", rx->dev->name, print_mac(mac, sa));
 
 		mac80211_ev_michael_mic_failure(rx->dev, rx->key->conf.keyidx,
 						(void *) skb->data);
@@ -287,6 +288,7 @@
 	int hdrlen, res, hwaccel = 0, wpa_test = 0;
 	struct ieee80211_key *key = rx->key;
 	struct sk_buff *skb = rx->skb;
+	DECLARE_MAC_BUF(mac);
 
 	fc = le16_to_cpu(hdr->frame_control);
 	hdrlen = ieee80211_get_hdrlen(fc);
@@ -319,8 +321,8 @@
 					  hwaccel, rx->u.rx.queue);
 	if (res != TKIP_DECRYPT_OK || wpa_test) {
 		printk(KERN_DEBUG "%s: TKIP decrypt failed for RX frame from "
-		       MAC_FMT " (res=%d)\n",
-		       rx->dev->name, MAC_ARG(rx->sta->addr), res);
+		       "%s (res=%d)\n",
+		       rx->dev->name, print_mac(mac, rx->sta->addr), res);
 		return TXRX_DROP;
 	}
 
@@ -542,6 +544,7 @@
 	struct sk_buff *skb = rx->skb;
 	u8 pn[CCMP_PN_LEN];
 	int data_len;
+	DECLARE_MAC_BUF(mac);
 
 	fc = le16_to_cpu(hdr->frame_control);
 	hdrlen = ieee80211_get_hdrlen(fc);
@@ -564,10 +567,11 @@
 	if (memcmp(pn, key->u.ccmp.rx_pn[rx->u.rx.queue], CCMP_PN_LEN) <= 0) {
 #ifdef CONFIG_MAC80211_DEBUG
 		u8 *ppn = key->u.ccmp.rx_pn[rx->u.rx.queue];
+
 		printk(KERN_DEBUG "%s: CCMP replay detected for RX frame from "
-		       MAC_FMT " (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN "
+		       "%s (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN "
 		       "%02x%02x%02x%02x%02x%02x)\n", rx->dev->name,
-		       MAC_ARG(rx->sta->addr),
+		       print_mac(mac, rx->sta->addr),
 		       pn[0], pn[1], pn[2], pn[3], pn[4], pn[5],
 		       ppn[0], ppn[1], ppn[2], ppn[3], ppn[4], ppn[5]);
 #endif /* CONFIG_MAC80211_DEBUG */
@@ -591,8 +595,8 @@
 			    skb->data + skb->len - CCMP_MIC_LEN,
 			    skb->data + hdrlen + CCMP_HDR_LEN)) {
 			printk(KERN_DEBUG "%s: CCMP decrypt failed for RX "
-			       "frame from " MAC_FMT "\n", rx->dev->name,
-			       MAC_ARG(rx->sta->addr));
+			       "frame from %s\n", rx->dev->name,
+			       print_mac(mac, rx->sta->addr));
 			return TXRX_DROP;
 		}
 	}
@@ -606,4 +610,3 @@
 
 	return TXRX_CONTINUE;
 }
-
diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index d6fc057..1a99e29 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -243,12 +243,12 @@
 static char *eth_addr2str(struct tipc_media_addr *a, char *str_buf, int str_size)
 {
 	unchar *addr = (unchar *)&a->dev_addr;
+	DECLARE_MAC_BUF(mac);
 
 	if (str_size < 18)
 		*str_buf = '\0';
 	else
-		sprintf(str_buf, "%02x:%02x:%02x:%02x:%02x:%02x",
-			addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+		sprintf(str_buf, "%s", print_mac(mac, addr));
 	return str_buf;
 }