[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/net/irda/irlan/irlan_client.c b/net/irda/irlan/irlan_client.c
index a4c1c95..87039c2 100644
--- a/net/irda/irlan/irlan_client.c
+++ b/net/irda/irlan/irlan_client.c
@@ -436,6 +436,7 @@
 	__u16 tmp_cpu; /* Temporary value in host order */
 	__u8 *bytes;
 	int i;
+	DECLARE_MAC_BUF(mac);
 
 	IRDA_DEBUG(4, "%s(), parm=%s\n", __FUNCTION__ , param);
 
@@ -520,9 +521,8 @@
 	/* FILTER_ENTRY, have we got an ethernet address? */
 	if (strcmp(param, "FILTER_ENTRY") == 0) {
 		bytes = value;
-		IRDA_DEBUG(4, "Ethernet address = %02x:%02x:%02x:%02x:%02x:%02x\n",
-		      bytes[0], bytes[1], bytes[2], bytes[3], bytes[4],
-		      bytes[5]);
+		IRDA_DEBUG(4, "Ethernet address = %s\n",
+			   print_mac(mac, bytes));
 		for (i = 0; i < 6; i++)
 			self->dev->dev_addr[i] = bytes[i];
 	}