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/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index b9f10d0..235b5fd 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -1527,7 +1527,7 @@
 	int addr_count = 0;
 
 	/* reprogram multicast list */
-	addr_count = netdev->mc_count;
+	addr_count = netdev_mc_count(netdev);
 	if (addr_count)
 		addr_list = netdev->mc_list->dmi_addr;
 	if (hw->mac.ops.update_mc_addr_list)