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/ioc3-eth.c b/drivers/net/ioc3-eth.c
index 81a4c5d..0bd5fef 100644
--- a/drivers/net/ioc3-eth.c
+++ b/drivers/net/ioc3-eth.c
@@ -1681,14 +1681,15 @@
 		ioc3_w_emcr(ip->emcr);			/* Clear promiscuous. */
 		(void) ioc3_r_emcr();
 
-		if ((dev->flags & IFF_ALLMULTI) || (dev->mc_count > 64)) {
+		if ((dev->flags & IFF_ALLMULTI) ||
+		    (netdev_mc_count(dev) > 64)) {
 			/* Too many for hashing to make sense or we want all
 			   multicast packets anyway,  so skip computing all the
 			   hashes and just accept all packets.  */
 			ip->ehar_h = 0xffffffff;
 			ip->ehar_l = 0xffffffff;
 		} else {
-			for (i = 0; i < dev->mc_count; i++) {
+			for (i = 0; i < netdev_mc_count(dev); i++) {
 				char *addr = dmi->dmi_addr;
 				dmi = dmi->next;