From: Alexander Aring <alex.aring@gmail.com>
Date: Mon, 13 Oct 2014 08:33:07 +0000 (+0200)
Subject: ieee802154: 6lowpan: add RTNL assertion
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=c37a8106de1b8d286fe577599ccc9bbb0efdd7ad;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

ieee802154: 6lowpan: add RTNL assertion

This patch ensure that the rtnl lock is hold while newlink callback.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/net/ieee802154/6lowpan_rtnl.c b/net/ieee802154/6lowpan_rtnl.c
index da78fae5b301..0c1a49b51e57 100644
--- a/net/ieee802154/6lowpan_rtnl.c
+++ b/net/ieee802154/6lowpan_rtnl.c
@@ -584,6 +584,8 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
 	struct lowpan_dev_record *entry;
 	int ret;
 
+	ASSERT_RTNL();
+
 	pr_debug("adding new link\n");
 
 	if (!tb[IFLA_LINK])