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Commit a10d567c authored by Jarek Poplawski's avatar Jarek Poplawski Committed by David S. Miller
Browse files

[BRIDGE] br_if: Fix oops in port_carrier_check 



Signed-off-by: default avatarJarek Poplawski <jarkao2@o2.pl>
Acked-by: default avatarStephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bbf4a6bc

net/bridge/br_if.c

+6 −2
Original line number Diff line number Diff line
@@ -108,6 +108,7 @@ static void port_carrier_check(struct work_struct *work) 
		spin_unlock_bh(&br->lock);

	}

done:

	dev_put(dev);

	rtnl_unlock();

}
@@ -161,7 +162,8 @@ static void del_nbp(struct net_bridge_port *p) 


	dev_set_promiscuity(dev, -1);



	cancel_delayed_work(&p->carrier_check);

	if (cancel_delayed_work(&p->carrier_check))

		dev_put(dev);



	spin_lock_bh(&br->lock);

	br_stp_disable_port(p);
@@ -444,7 +446,9 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) 
	spin_lock_bh(&br->lock);

	br_stp_recalculate_bridge_id(br);

	br_features_recompute(br);

	schedule_delayed_work(&p->carrier_check, BR_PORT_DEBOUNCE);

	if (schedule_delayed_work(&p->carrier_check, BR_PORT_DEBOUNCE))

		dev_hold(dev);



	spin_unlock_bh(&br->lock);



	dev_set_mtu(br->dev, br_min_mtu(br));

net/bridge/br_notify.c

+3 −1
Original line number Diff line number Diff line
@@ -56,7 +56,9 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v 


	case NETDEV_CHANGE:

		if (br->dev->flags & IFF_UP)

			schedule_delayed_work(&p->carrier_check, BR_PORT_DEBOUNCE);

			if (schedule_delayed_work(&p->carrier_check,

						BR_PORT_DEBOUNCE))

				dev_hold(dev);

		break;



	case NETDEV_FEAT_CHANGE: