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/eth16i.c b/drivers/net/eth16i.c
index 71bfeec..d3abeee 100644
--- a/drivers/net/eth16i.c
+++ b/drivers/net/eth16i.c
@@ -1359,7 +1359,7 @@
 {
 	int ioaddr = dev->base_addr;
 
-	if(dev->mc_count || dev->flags&(IFF_ALLMULTI|IFF_PROMISC))
+	if (!netdev_mc_empty(dev) || dev->flags&(IFF_ALLMULTI|IFF_PROMISC))
 	{
 		outb(3, ioaddr + RECEIVE_MODE_REG);
 	} else {