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/ks8851.c b/drivers/net/ks8851.c
index 6d3ac65..9845ab1e 100644
--- a/drivers/net/ks8851.c
+++ b/drivers/net/ks8851.c
@@ -965,14 +965,14 @@
 
 		rxctrl.rxcr1 = (RXCR1_RXME | RXCR1_RXAE |
 				RXCR1_RXPAFMA | RXCR1_RXMAFMA);
-	} else if (dev->flags & IFF_MULTICAST && dev->mc_count > 0) {
+	} else if (dev->flags & IFF_MULTICAST && !netdev_mc_empty(dev)) {
 		struct dev_mc_list *mcptr = dev->mc_list;
 		u32 crc;
 		int i;
 
 		/* accept some multicast */
 
-		for (i = dev->mc_count; i > 0; i--) {
+		for (i = netdev_mc_count(dev); i > 0; i--) {
 			crc = ether_crc(ETH_ALEN, mcptr->dmi_addr);
 			crc >>= (32 - 6);  /* get top six bits */