diff options
| author | Eric Dumazet <edumazet@google.com> | 2021-12-04 20:22:15 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-12-06 16:06:02 -0800 |
| commit | 095e200f175f9843642343a4a48087fcfa4d3751 (patch) | |
| tree | b2d59a84e4f5d7fb787c053b8c9cc37193238be3 | |
| parent | 63f13937cbe9b00982dfc8e578b1aec8e5037333 (diff) | |
net: failover: add net device refcount tracker
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/net/failover.h | 1 | ||||
| -rw-r--r-- | net/core/failover.c | 4 |
2 files changed, 3 insertions, 2 deletions
diff --git a/include/net/failover.h b/include/net/failover.h index bb15438f39c7..f2b42b4b9cd6 100644 --- a/include/net/failover.h +++ b/include/net/failover.h @@ -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; }; diff --git a/net/core/failover.c b/net/core/failover.c index b5cd3c727285..dcaa92a85ea2 100644 --- a/net/core/failover.c +++ b/net/core/failover.c @@ -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); |