[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/hamachi.c b/drivers/net/hamachi.c
index da12b3d..015ed3a 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -580,6 +580,7 @@
 	void *ring_space;
 	dma_addr_t ring_dma;
 	int ret = -ENOMEM;
+	DECLARE_MAC_BUF(mac);
 
 /* when built into the kernel, we only print version if device is found */
 #ifndef MODULE
@@ -741,12 +742,9 @@
 		goto err_out_unmap_rx;
 	}
 
-	printk(KERN_INFO "%s: %s type %x at %p, ",
+	printk(KERN_INFO "%s: %s type %x at %p, %s, IRQ %d.\n",
 		   dev->name, chip_tbl[chip_id].name, readl(ioaddr + ChipRev),
-		   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);
+		   ioaddr, print_mac(mac, dev->dev_addr), irq);
 	i = readb(ioaddr + PCIClkMeas);
 	printk(KERN_INFO "%s:  %d-bit %d Mhz PCI bus (%d), Virtual Jumpers "
 		   "%2.2x, LPA %4.4x.\n",