net: use netdev_mc_count and netdev_mc_empty when appropriate

This patch replaces dev->mc_count in all drivers (hopefully I didn't miss
anything). Used spatch and did small tweaks and conding style changes when
it was suitable.

Jirka

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/mace.c b/drivers/net/mace.c
index d9fbad3..fdb0bbd 100644
--- a/drivers/net/mace.c
+++ b/drivers/net/mace.c
@@ -606,7 +606,7 @@
 	} else {
 	    for (i = 0; i < 8; i++)
 		multicast_filter[i] = 0;
-	    for (i = 0; i < dev->mc_count; i++) {
+	    for (i = 0; i < netdev_mc_count(dev); i++) {
 	        crc = ether_crc_le(6, dmi->dmi_addr);
 		j = crc >> 26;	/* bit number in multicast_filter */
 		multicast_filter[j >> 3] |= 1 << (j & 7);