Commit 095e200f authored by Eric Dumazet's avatar Eric Dumazet Committed by Jakub Kicinski
Browse files

net: failover: add net device refcount tracker 



Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 63f13937

include/net/failover.h

+1 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ struct failover_ops { 
struct failover {

	struct list_head list;

	struct net_device __rcu *failover_dev;

	netdevice_tracker	dev_tracker;

	struct failover_ops __rcu *ops;

};

net/core/failover.c

+2 −2
Original line number Diff line number Diff line
@@ -252,7 +252,7 @@ struct failover *failover_register(struct net_device *dev, 
		return ERR_PTR(-ENOMEM);



	rcu_assign_pointer(failover->ops, ops);

	dev_hold(dev);

	dev_hold_track(dev, &failover->dev_tracker, GFP_KERNEL);

	dev->priv_flags |= IFF_FAILOVER;

	rcu_assign_pointer(failover->failover_dev, dev);
@@ -285,7 +285,7 @@ void failover_unregister(struct failover *failover) 
		    failover_dev->name);



	failover_dev->priv_flags &= ~IFF_FAILOVER;

	dev_put(failover_dev);

	dev_put_track(failover_dev, &failover->dev_tracker);



	spin_lock(&failover_lock);

	list_del(&failover->list);