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/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c
index 26fb831..b6234b7 100644
--- a/net/bluetooth/bnep/netdev.c
+++ b/net/bluetooth/bnep/netdev.c
@@ -64,7 +64,7 @@
 	struct sk_buff *skb;
 	int size;
 
-	BT_DBG("%s mc_count %d", dev->name, dev->mc_count);
+	BT_DBG("%s mc_count %d", dev->name, netdev_mc_count(dev));
 
 	size = sizeof(*r) + (BNEP_MAX_MULTICAST_FILTERS + 1) * ETH_ALEN * 2;
 	skb  = alloc_skb(size, GFP_ATOMIC);
@@ -97,7 +97,9 @@
 
 		/* FIXME: We should group addresses here. */
 
-		for (i = 0; i < dev->mc_count && i < BNEP_MAX_MULTICAST_FILTERS; i++) {
+		for (i = 0;
+		     i < netdev_mc_count(dev) && i < BNEP_MAX_MULTICAST_FILTERS;
+		     i++) {
 			memcpy(__skb_put(skb, ETH_ALEN), dmi->dmi_addr, ETH_ALEN);
 			memcpy(__skb_put(skb, ETH_ALEN), dmi->dmi_addr, ETH_ALEN);
 			dmi = dmi->next;