From 20156bcf0895e1dcde7b0b3ef6e8614cfd5fab10 Mon Sep 17 00:00:00 2001
From: Zefan Li <lizefan@huawei.com>
Date: Wed, 26 Jun 2013 15:29:54 +0800
Subject: [PATCH] dlci: acquire rtnl_lock before calling __dev_get_by_name()

commit 11eb2645cbf38a08ae491bf6c602eea900ec0bb5 upstream.

Otherwise the net device returned can be freed at anytime.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
Reading git-format-patch failed