From 872674858fe236b746317741013c830bb70775c2 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Micha=C5=82=20Miros=C5=82aw?= <mirq-linux@rere.qmqm.pl>
Date: Tue, 12 Apr 2011 09:56:38 +0000
Subject: [PATCH] net: add RTNL_ASSERT in __netdev_update_features()
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Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/core/dev.c b/net/core/dev.c
index d1aebf7c6494..f523eee3141c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5247,6 +5247,8 @@ int __netdev_update_features(struct net_device *dev)
 	u32 features;
 	int err = 0;
 
+	ASSERT_RTNL();
+
 	features = netdev_get_wanted_features(dev);
 
 	if (dev->netdev_ops->ndo_fix_features)
-- 
2.20.1