[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/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;