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/benet/be_main.c b/drivers/net/benet/be_main.c
index 626b76c..0014a4e 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -565,14 +565,15 @@
 	}
 
 	/* Enable multicast promisc if num configured exceeds what we support */
-	if (netdev->flags & IFF_ALLMULTI || netdev->mc_count > BE_MAX_MC) {
+	if (netdev->flags & IFF_ALLMULTI ||
+	    netdev_mc_count(netdev) > BE_MAX_MC) {
 		be_cmd_multicast_set(adapter, adapter->if_handle, NULL, 0,
 				&adapter->mc_cmd_mem);
 		goto done;
 	}
 
 	be_cmd_multicast_set(adapter, adapter->if_handle, netdev->mc_list,
-		netdev->mc_count, &adapter->mc_cmd_mem);
+		netdev_mc_count(netdev), &adapter->mc_cmd_mem);
 done:
 	return;
 }