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/b44.c b/drivers/net/b44.c
index 44b66be..9091c65 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -1691,7 +1691,7 @@
 	struct dev_mc_list *mclist;
 	int i, num_ents;
 
-	num_ents = min_t(int, dev->mc_count, B44_MCAST_TABLE_SIZE);
+	num_ents = min_t(int, netdev_mc_count(dev), B44_MCAST_TABLE_SIZE);
 	mclist = dev->mc_list;
 	for (i = 0; mclist && i < num_ents; i++, mclist = mclist->next) {
 		__b44_cam_write(bp, mclist->dmi_addr, i + 1);
@@ -1716,7 +1716,7 @@
 		__b44_set_mac_addr(bp);
 
 		if ((dev->flags & IFF_ALLMULTI) ||
-		    (dev->mc_count > B44_MCAST_TABLE_SIZE))
+		    (netdev_mc_count(dev) > B44_MCAST_TABLE_SIZE))
 			val |= RXCONFIG_ALLMULTI;
 		else
 			i = __b44_load_mcast(bp, dev);