[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>

drivers/net/qla3xxx.c

@@ -3557,6 +3557,7 @@ static void ql_display_dev_info(struct net_device *ndev)
 {
 	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 @@ static void ql_display_dev_info(struct net_device *ndev)
 
 	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)