[NET]: Introduce and use print_mac() and DECLARE_MAC_BUF()

This is nicer than the MAC_FMT stuff.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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;