linux-kernel - [PATCH 4.14 10/46] net-sysfs: fix netdev_queue_add

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Date:   Tue, 28 Jan 2020 14:57:44 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
        Jouni Hogander <jouni.hogander@...kie.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.14 10/46] net-sysfs: fix netdev_queue_add_kobject() breakage

From: Eric Dumazet <edumazet@...gle.com>

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@...gle.com>
Cc: Jouni Hogander <jouni.hogander@...kie.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1339,6 +1339,7 @@ static int netdev_queue_add_kobject(stru
 #endif

 	kobject_uevent(kobj, KOBJ_ADD);
+	return 0;

 err:
 	kobject_put(kobj);