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/sun3_82586.c b/drivers/net/sun3_82586.c
index b447a87..efedc25 100644
--- a/drivers/net/sun3_82586.c
+++ b/drivers/net/sun3_82586.c
@@ -414,7 +414,7 @@
 	volatile struct tdr_cmd_struct *tdr_cmd;
 	volatile struct mcsetup_cmd_struct *mc_cmd;
 	struct dev_mc_list *dmi=dev->mc_list;
-	int num_addrs=dev->mc_count;
+	int num_addrs=netdev_mc_count(dev);
 
 	ptr = (void *) ((char *)p->scb + sizeof(struct scb_struct));