diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index fd91569e2394b0b37caada596af21b29a5e2df3b..3dc295beb48316363175c1fa3701c19aef770f0c 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -97,8 +97,9 @@ int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl)
 
 	netif_addr_lock_bh(dev);
 	if (alen != dev->addr_len)
-		return -EINVAL;
-	err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);
+		err = -EINVAL;
+	else
+		err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);
 	if (!err)
 		__dev_set_rx_mode(dev);
 	netif_addr_unlock_bh(dev);