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/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c
index dc6cd69..8ea7f86 100644
--- a/drivers/net/qlcnic/qlcnic_hw.c
+++ b/drivers/net/qlcnic/qlcnic_hw.c
@@ -447,12 +447,12 @@
 	}
 
 	if ((netdev->flags & IFF_ALLMULTI) ||
-			(netdev->mc_count > adapter->max_mc_count)) {
+	    (netdev_mc_count(netdev) > adapter->max_mc_count)) {
 		mode = VPORT_MISS_MODE_ACCEPT_MULTI;
 		goto send_fw_cmd;
 	}
 
-	if (netdev->mc_count > 0) {
+	if (!netdev_mc_empty(netdev)) {
 		for (mc_ptr = netdev->mc_list; mc_ptr;
 				     mc_ptr = mc_ptr->next) {
 			qlcnic_nic_add_mac(adapter, mc_ptr->dmi_addr,