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/bcm63xx_enet.c b/drivers/net/bcm63xx_enet.c
index 0bd47d3..0927ffa 100644
--- a/drivers/net/bcm63xx_enet.c
+++ b/drivers/net/bcm63xx_enet.c
@@ -619,7 +619,7 @@
 
 	/* only 3 perfect match registers left, first one is used for
 	 * own mac address */
-	if ((dev->flags & IFF_ALLMULTI) || dev->mc_count > 3)
+	if ((dev->flags & IFF_ALLMULTI) || netdev_mc_count(dev) > 3)
 		val |= ENET_RXCFG_ALLMCAST_MASK;
 	else
 		val &= ~ENET_RXCFG_ALLMCAST_MASK;
@@ -632,7 +632,7 @@
 	}
 
 	for (i = 0, mc_list = dev->mc_list;
-	     (mc_list != NULL) && (i < dev->mc_count) && (i < 3);
+	     (mc_list != NULL) && (i < netdev_mc_count(dev)) && (i < 3);
 	     i++, mc_list = mc_list->next) {
 		u8 *dmi_addr;
 		u32 tmp;