[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/forcedeth.c b/drivers/net/forcedeth.c
index be74457..f7354bc 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -4991,6 +4991,7 @@
 	u32 powerstate, txreg;
 	u32 phystate_orig = 0, phystate;
 	int phyinitialized = 0;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(sizeof(struct fe_priv));
 	err = -ENOMEM;
@@ -5205,10 +5206,8 @@
 		 * Bad mac address. At least one bios sets the mac address
 		 * to 01:23:45:67:89:ab
 		 */
-		printk(KERN_ERR "%s: Invalid Mac address detected: %02x:%02x:%02x:%02x:%02x:%02x\n",
-			pci_name(pci_dev),
-			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_ERR "%s: Invalid Mac address detected: %s\n",
+		       pci_name(pci_dev), print_mac(mac, dev->dev_addr));
 		printk(KERN_ERR "Please complain to your hardware vendor. Switching to a random MAC.\n");
 		dev->dev_addr[0] = 0x00;
 		dev->dev_addr[1] = 0x00;
@@ -5216,9 +5215,8 @@
 		get_random_bytes(&dev->dev_addr[3], 3);
 	}
 
-	dprintk(KERN_DEBUG "%s: MAC Address %02x:%02x:%02x:%02x:%02x:%02x\n", pci_name(pci_dev),
-			dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
-			dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
+	dprintk(KERN_DEBUG "%s: MAC Address %s\n",
+		pci_name(pci_dev), print_mac(mac, dev->dev_addr));
 
 	/* set mac address */
 	nv_copy_mac_to_hw(dev);