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net: bridge: add net device refcount tracker
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -274,7 +274,7 @@ static void destroy_nbp(struct net_bridge_port *p)
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p->br = NULL;
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p->dev = NULL;
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dev_put(dev);
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dev_put_track(dev, &p->dev_tracker);
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kobject_put(&p->kobj);
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}
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@ -423,7 +423,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
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return ERR_PTR(-ENOMEM);
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p->br = br;
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dev_hold(dev);
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dev_hold_track(dev, &p->dev_tracker, GFP_KERNEL);
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p->dev = dev;
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p->path_cost = port_cost(dev);
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p->priority = 0x8000 >> BR_PORT_BITS;
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@ -434,7 +434,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
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br_stp_port_timer_init(p);
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err = br_multicast_add_port(p);
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if (err) {
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dev_put(dev);
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dev_put_track(dev, &p->dev_tracker);
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kfree(p);
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p = ERR_PTR(err);
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}
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@ -344,6 +344,7 @@ struct net_bridge_mdb_entry {
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struct net_bridge_port {
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struct net_bridge *br;
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struct net_device *dev;
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netdevice_tracker dev_tracker;
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struct list_head list;
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unsigned long flags;
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