net: convert multiple drivers to use netdev_for_each_mc_addr, part4

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c
index 3ca49e3..150415e 100644
--- a/drivers/net/ipg.c
+++ b/drivers/net/ipg.c
@@ -608,8 +608,7 @@
 	hashtable[1] = 0x00000000;
 
 	/* Cycle through all multicast addresses to filter. */
-	for (mc_list_ptr = dev->mc_list;
-	     mc_list_ptr != NULL; mc_list_ptr = mc_list_ptr->next) {
+	netdev_for_each_mc_addr(mc_list_ptr, dev) {
 		/* Calculate CRC result for each multicast address. */
 		hashindex = crc32_le(0xffffffff, mc_list_ptr->dmi_addr,
 				     ETH_ALEN);