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/sis900.c b/drivers/net/sis900.c
index 20c5ce4..32ae87c 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -2288,7 +2288,7 @@
 		rx_mode = RFPromiscuous;
 		for (i = 0; i < table_entries; i++)
 			mc_filter[i] = 0xffff;
-	} else if ((net_dev->mc_count > multicast_filter_limit) ||
+	} else if ((netdev_mc_count(net_dev) > multicast_filter_limit) ||
 		   (net_dev->flags & IFF_ALLMULTI)) {
 		/* too many multicast addresses or accept all multicast packet */
 		rx_mode = RFAAB | RFAAM;
@@ -2301,7 +2301,7 @@
 		struct dev_mc_list *mclist;
 		rx_mode = RFAAB;
 		for (i = 0, mclist = net_dev->mc_list;
-			mclist && i < net_dev->mc_count;
+			mclist && i < netdev_mc_count(net_dev);
 			i++, mclist = mclist->next) {
 			unsigned int bit_nr =
 				sis900_mcast_bitnr(mclist->dmi_addr, sis_priv->chipset_rev);