commit a66207121f85c54a3df4d347a3c5bdf6cb154b09
author Herbert Xu <herbert@gondor.apana.org.au> Wed Dec 12 19:21:56 2007 -0800
committer David S. Miller <davem@davemloft.net> Mon Jan 28 14:57:43 2008 -0800
tree fdcce4dae89c2c4d0e0978b5be80e99dcb54a693
parent aebcf82c1fe9231be5cb4f9c1362d5db39e7d7b2

[NET]: Check RTNL status in unregister_netdevice

The caller must hold the RTNL so let's check it in unregister_netdevice.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/dev.c

diff --git a/net/core/dev.c b/net/core/dev.c
index 4ced383..7153e94 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3971,6 +3971,8 @@
 
 void unregister_netdevice(struct net_device *dev)
 {
+	ASSERT_RTNL();
+
 	rollback_registered(dev);
 	/* Finish processing unregister after unlock */
 	net_set_todo(dev);