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/ni65.c b/drivers/net/ni65.c
index ae19aaf..9225c76 100644
--- a/drivers/net/ni65.c
+++ b/drivers/net/ni65.c
@@ -849,7 +849,7 @@
 
 	 if(dev->flags & IFF_PROMISC)
 		 ni65_init_lance(p,dev->dev_addr,0x00,M_PROM);
-	 else if(dev->mc_count || dev->flags & IFF_ALLMULTI)
+	 else if (netdev_mc_count(dev) || dev->flags & IFF_ALLMULTI)
 		 ni65_init_lance(p,dev->dev_addr,0xff,0x0);
 	 else
 		 ni65_init_lance(p,dev->dev_addr,0x00,0x00);