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/r6040.c b/drivers/net/r6040.c
index d68ba7a..b810342 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -958,21 +958,22 @@
 	}
 	/* Too many multicast addresses
 	 * accept all traffic */
-	else if ((dev->mc_count > MCAST_MAX) || (dev->flags & IFF_ALLMULTI))
+	else if ((netdev_mc_count(dev) > MCAST_MAX) ||
+		 (dev->flags & IFF_ALLMULTI))
 		reg |= 0x0020;
 
 	iowrite16(reg, ioaddr);
 	spin_unlock_irqrestore(&lp->lock, flags);
 
 	/* Build the hash table */
-	if (dev->mc_count > MCAST_MAX) {
+	if (netdev_mc_count(dev) > MCAST_MAX) {
 		u16 hash_table[4];
 		u32 crc;
 
 		for (i = 0; i < 4; i++)
 			hash_table[i] = 0;
 
-		for (i = 0; i < dev->mc_count; i++) {
+		for (i = 0; i < netdev_mc_count(dev); i++) {
 			char *addrs = dmi->dmi_addr;
 
 			dmi = dmi->next;
@@ -994,14 +995,14 @@
 		iowrite16(hash_table[3], ioaddr + MAR3);
 	}
 	/* Multicast Address 1~4 case */
-	for (i = 0, dmi; (i < dev->mc_count) && (i < MCAST_MAX); i++) {
+	for (i = 0, dmi; (i < netdev_mc_count(dev)) && (i < MCAST_MAX); i++) {
 		adrp = (u16 *)dmi->dmi_addr;
 		iowrite16(adrp[0], ioaddr + MID_1L + 8*i);
 		iowrite16(adrp[1], ioaddr + MID_1M + 8*i);
 		iowrite16(adrp[2], ioaddr + MID_1H + 8*i);
 		dmi = dmi->next;
 	}
-	for (i = dev->mc_count; i < MCAST_MAX; i++) {
+	for (i = netdev_mc_count(dev); i < MCAST_MAX; i++) {
 		iowrite16(0xffff, ioaddr + MID_0L + 8*i);
 		iowrite16(0xffff, ioaddr + MID_0M + 8*i);
 		iowrite16(0xffff, ioaddr + MID_0H + 8*i);