net-sysfs: fix netdev_queue_add_kobject() breakage
authorEric Dumazet <edumazet@google.com>
Thu, 21 Nov 2019 03:19:07 +0000 (19:19 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 29 Jan 2020 15:43:16 +0000 (16:43 +0100)
commit 48a322b6f9965b2f1e4ce81af972f0e287b07ed0 upstream.

kobject_put() should only be called in error path.

Fixes: b8eb718348b8 ("net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jouni Hogander <jouni.hogander@unikie.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/core/net-sysfs.c

index f8b592c..305b07b 100644 (file)
@@ -1484,6 +1484,7 @@ static int netdev_queue_add_kobject(struct net_device *dev, int index)
 #endif
 
        kobject_uevent(kobj, KOBJ_ADD);
+       return 0;
 
 err:
        kobject_put(kobj);