net: convert print_mac to %pM

This converts pretty much everything to print_mac. There were
a few things that had conflicts which I have just dropped for
now, no harm done.

I've built an allyesconfig with this and looked at the files
that weren't built very carefully, but it's a huge patch.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 99f656d..18dd83c 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -509,7 +509,6 @@
 	__u64 sa;
 	__u64 stopped;
 	__u64 now = getCurUs();
-	DECLARE_MAC_BUF(mac);
 
 	seq_printf(seq,
 		   "Params: count %llu  min_pkt_size: %u  max_pkt_size: %u\n",
@@ -554,12 +553,12 @@
 
 	seq_puts(seq, "     src_mac: ");
 
-	seq_printf(seq, "%s ",
-		   print_mac(mac, is_zero_ether_addr(pkt_dev->src_mac) ?
-			     pkt_dev->odev->dev_addr : pkt_dev->src_mac));
+	seq_printf(seq, "%pM ",
+		   is_zero_ether_addr(pkt_dev->src_mac) ?
+			     pkt_dev->odev->dev_addr : pkt_dev->src_mac);
 
 	seq_printf(seq, "dst_mac: ");
-	seq_printf(seq, "%s\n", print_mac(mac, pkt_dev->dst_mac));
+	seq_printf(seq, "%pM\n", pkt_dev->dst_mac);
 
 	seq_printf(seq,
 		   "     udp_src_min: %d  udp_src_max: %d  udp_dst_min: %d  udp_dst_max: %d\n",