[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>
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);