[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/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,