netpoll: call dev_put() on error in netpoll_setup()

There is a dev_put(ndev) missing on an error path. This was introduced in 0c1ad04 "netpoll: prevent netpoll setup on slave devices". Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Jun 12, 2011 · 83fe32d · 83fe32d
1 parent f1c089e
commit 83fe32d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
@@ -795,7 +795,8 @@ int netpoll_setup(struct netpoll *np)
 	if (ndev->master) {
 		printk(KERN_ERR "%s: %s is a slave device, aborting.\n",
 		       np->name, np->dev_name);
-		return -EBUSY;
+		err = -EBUSY;
+		goto put;
 	}
 
 	if (!netif_running(ndev)) {