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/davinci_emac.c b/drivers/net/davinci_emac.c
index faffad4..d1e03b5 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -956,11 +956,11 @@
 	} else {
 		mbp_enable = (mbp_enable & ~EMAC_MBP_RXPROMISC);
 		if ((ndev->flags & IFF_ALLMULTI) ||
-		    (ndev->mc_count > EMAC_DEF_MAX_MULTICAST_ADDRESSES)) {
+		    netdev_mc_count(ndev) > EMAC_DEF_MAX_MULTICAST_ADDRESSES) {
 			mbp_enable = (mbp_enable | EMAC_MBP_RXMCAST);
 			emac_add_mcast(priv, EMAC_ALL_MULTI_SET, NULL);
 		}
-		if (ndev->mc_count > 0) {
+		if (!netdev_mc_empty(ndev)) {
 			struct dev_mc_list *mc_ptr;
 			mbp_enable = (mbp_enable | EMAC_MBP_RXMCAST);
 			emac_add_mcast(priv, EMAC_ALL_MULTI_CLR, NULL);