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/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 3cb60e1..dd3e0f1 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -4221,7 +4221,7 @@
 	 * transition is taking place.
 	 */
 	if ((ndev->flags & IFF_ALLMULTI) ||
-	    (ndev->mc_count > MAX_MULTICAST_ENTRIES)) {
+	    (netdev_mc_count(ndev) > MAX_MULTICAST_ENTRIES)) {
 		if (!test_bit(QL_ALLMULTI, &qdev->flags)) {
 			if (ql_set_routing_reg
 			    (qdev, RT_IDX_ALLMULTI_SLOT, RT_IDX_MCAST, 1)) {
@@ -4243,7 +4243,7 @@
 		}
 	}
 
-	if (ndev->mc_count) {
+	if (!netdev_mc_empty(ndev)) {
 		status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
 		if (status)
 			goto exit;