[PATCH 4.19 13/92] net-sysfs: fix netdev_queue_add_kobject() breakage

From: Greg Kroah-Hartman
Date: Tue Jan 28 2020 - 09:26:38 EST


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: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
net/core/net-sysfs.c | 1 +
1 file changed, 1 insertion(+)

--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1484,6 +1484,7 @@ static int netdev_queue_add_kobject(stru
#endif

kobject_uevent(kobj, KOBJ_ADD);
+ return 0;

err:
kobject_put(kobj);