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/sky2.c b/drivers/net/sky2.c
index 478288b..45299d6 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -3626,7 +3626,7 @@
 		reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
 	else if (dev->flags & IFF_ALLMULTI)
 		memset(filter, 0xff, sizeof(filter));
-	else if (dev->mc_count == 0 && !rx_pause)
+	else if (netdev_mc_empty(dev) && !rx_pause)
 		reg &= ~GM_RXCR_MCF_ENA;
 	else {
 		int i;
@@ -3635,7 +3635,7 @@
 		if (rx_pause)
 			sky2_add_filter(filter, pause_mc_addr);
 
-		for (i = 0; list && i < dev->mc_count; i++, list = list->next)
+		for (i = 0; list && i < netdev_mc_count(dev); i++, list = list->next)
 			sky2_add_filter(filter, list->dmi_addr);
 	}