net-sysfs: fix netdev_queue_add_kobject() breakage

kobject_put() should only be called in error path.

Fixes: b8eb718 ("net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject")
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jouni Hogander <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: edumazet

net/core/net-sysfs.c

@@ -1474,6 +1474,7 @@ static int netdev_queue_add_kobject(struct net_device *dev, int index)
 #endif
 
 	kobject_uevent(kobj, KOBJ_ADD);
+	return 0;
 
 err:
 	kobject_put(kobj);