[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/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);