Unverified Commit d734d6bb authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!15448 vrf: use RCU protection in l3mdev_l3_out() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/archives/list/kernel@openeuler.org/message/MVBDNE5VXM6UARL3F6BJHWRE2RKOI3IB/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBPCA6 
 
Link:https://gitee.com/openeuler/kernel/pulls/15448

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents 575cbea3 f44aabdd

include/net/l3mdev.h

+2 −0
Original line number Diff line number Diff line
@@ -181,10 +181,12 @@ struct sk_buff *l3mdev_l3_out(struct sock *sk, struct sk_buff *skb, u16 proto) 
	if (netif_is_l3_slave(dev)) {

		struct net_device *master;



		rcu_read_lock();

		master = netdev_master_upper_dev_get_rcu(dev);

		if (master && master->l3mdev_ops->l3mdev_l3_out)

			skb = master->l3mdev_ops->l3mdev_l3_out(master, sk,

								skb, proto);

		rcu_read_unlock();

	}



	return skb;