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/fealnx.c b/drivers/net/fealnx.c
index e6a9812..f95b5ff 100644
--- a/drivers/net/fealnx.c
+++ b/drivers/net/fealnx.c
@@ -1786,7 +1786,7 @@
 	if (dev->flags & IFF_PROMISC) {	/* Set promiscuous. */
 		memset(mc_filter, 0xff, sizeof(mc_filter));
 		rx_mode = CR_W_PROM | CR_W_AB | CR_W_AM;
-	} else if ((dev->mc_count > multicast_filter_limit) ||
+	} else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
 		   (dev->flags & IFF_ALLMULTI)) {
 		/* Too many to match, or accept all multicasts. */
 		memset(mc_filter, 0xff, sizeof(mc_filter));
@@ -1796,7 +1796,7 @@
 		int i;
 
 		memset(mc_filter, 0, sizeof(mc_filter));
-		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
+		for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
 		     i++, mclist = mclist->next) {
 			unsigned int bit;
 			bit = (ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26) ^ 0x3F;