Commit 4cd582ff authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

net: use synchronize_net() in dev_change_name() 



dev_change_name() holds RTNL, we better use synchronize_net()
instead of plain synchronize_rcu().

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 17ef8efc

net/core/dev.c

+1 −1
Original line number Diff line number Diff line
@@ -1239,7 +1239,7 @@ int dev_change_name(struct net_device *dev, const char *newname) 
	netdev_name_node_del(dev->name_node);

	write_unlock(&dev_base_lock);



	synchronize_rcu();

	synchronize_net();



	write_lock(&dev_base_lock);

	netdev_name_node_add(net, dev->name_node);