6LoWPAN: call dev_put() on error in lowpan_newlink()

We should release the dev_hold() on error before returning here. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Sep 15, 2011 · dc00fd4 · dc00fd4
1 parent aec9db3
commit dc00fd4
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
@@ -793,8 +793,11 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
 	mutex_init(&lowpan_dev_info(dev)->dev_list_mtx);
 
 	entry = kzalloc(sizeof(struct lowpan_dev_record), GFP_KERNEL);
-	if (!entry)
+	if (!entry) {
+		dev_put(real_dev);
+		lowpan_dev_info(dev)->real_dev = NULL;
 		return -ENOMEM;
+	}
 
 	entry->ldev = dev;