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/au1000_eth.c b/drivers/net/au1000_eth.c
index 6bac046..9337d02 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -1013,7 +1013,7 @@
 	if (dev->flags & IFF_PROMISC) {			/* Set promiscuous. */
 		aup->mac->control |= MAC_PROMISCUOUS;
 	} else if ((dev->flags & IFF_ALLMULTI)  ||
-			   dev->mc_count > MULTICAST_FILTER_LIMIT) {
+			   netdev_mc_count(dev) > MULTICAST_FILTER_LIMIT) {
 		aup->mac->control |= MAC_PASS_ALL_MULTI;
 		aup->mac->control &= ~MAC_PROMISCUOUS;
 		printk(KERN_INFO "%s: Pass all multicast\n", dev->name);
@@ -1023,7 +1023,7 @@
 		u32 mc_filter[2];	/* Multicast hash filter */
 
 		mc_filter[1] = mc_filter[0] = 0;
-		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) {
 			set_bit(ether_crc(ETH_ALEN, mclist->dmi_addr)>>26,
 					(long *)mc_filter);