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/s2io.c b/drivers/net/s2io.c
index d166458..102be16 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -5055,8 +5055,8 @@
 	}
 
 	/*  Update individual M_CAST address list */
-	if ((!sp->m_cast_flg) && dev->mc_count) {
-		if (dev->mc_count >
+	if ((!sp->m_cast_flg) && netdev_mc_count(dev)) {
+		if (netdev_mc_count(dev) >
 		    (config->max_mc_addr - config->max_mac_addr)) {
 			DBG_PRINT(ERR_DBG,
 				  "%s: No more Rx filters can be added - "
@@ -5066,7 +5066,7 @@
 		}
 
 		prev_cnt = sp->mc_addr_count;
-		sp->mc_addr_count = dev->mc_count;
+		sp->mc_addr_count = netdev_mc_count(dev);
 
 		/* Clear out the previous list of Mc in the H/W. */
 		for (i = 0; i < prev_cnt; i++) {
@@ -5092,7 +5092,7 @@
 		}
 
 		/* Create the new Rx filter list and update the same in H/W. */
-		for (i = 0, mclist = dev->mc_list; i < dev->mc_count;
+		for (i = 0, mclist = dev->mc_list; i < netdev_mc_count(dev);
 		     i++, mclist = mclist->next) {
 			memcpy(sp->usr_addrs[i].addr, mclist->dmi_addr,
 			       ETH_ALEN);