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/tg3.c b/drivers/net/tg3.c
index 7195bde..d29282f 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9430,7 +9430,7 @@
 	} else if (dev->flags & IFF_ALLMULTI) {
 		/* Accept all multicast. */
 		tg3_set_multi (tp, 1);
-	} else if (dev->mc_count < 1) {
+	} else if (netdev_mc_empty(dev)) {
 		/* Reject all multicast. */
 		tg3_set_multi (tp, 0);
 	} else {
@@ -9442,7 +9442,7 @@
 		u32 bit;
 		u32 crc;
 
-		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
+		for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
 		     i++, mclist = mclist->next) {
 
 			crc = calc_crc (mclist->dmi_addr, ETH_ALEN);