[PATCH 3.16 08/61] net-sysfs: fix netdev_queue_add_kobject() breakage

From: Ben Hutchings
Date: Tue Jun 09 2020 - 14:11:17 EST


3.16.85-rc1 review patch. If anyone has any objections, please let me know.

------------------

From: Eric Dumazet <edumazet@xxxxxxxxxx>

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@xxxxxxxxxx>
Cc: Jouni Hogander <jouni.hogander@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
net/core/net-sysfs.c | 1 +
1 file changed, 1 insertion(+)

--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1158,6 +1158,7 @@ static int netdev_queue_add_kobject(stru
#endif

kobject_uevent(kobj, KOBJ_ADD);
+ return 0;

err:
kobject_put(kobj);