diff options
Diffstat (limited to 'net/bridge/br_notify.c')
| -rw-r--r-- | net/bridge/br_notify.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/net/bridge/br_notify.c b/net/bridge/br_notify.c index 20278494e4da..3311c4e30829 100644 --- a/net/bridge/br_notify.c +++ b/net/bridge/br_notify.c @@ -26,7 +26,7 @@ struct notifier_block br_device_notifier = { /* * Handle changes in state of network devices enslaved to a bridge. - * + * * Note: don't care about up/down if bridge itself is down, because * port state is checked when bridge is brought up. */ @@ -56,15 +56,17 @@ 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: - if (br->dev->flags & IFF_UP) + if (br->dev->flags & IFF_UP) br_features_recompute(br); /* could do recursive feature change notification - * but who would care?? + * but who would care?? */ break; @@ -74,7 +76,7 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v break; case NETDEV_UP: - if (netif_carrier_ok(dev) && (br->dev->flags & IFF_UP)) + if (netif_carrier_ok(dev) && (br->dev->flags & IFF_UP)) br_stp_enable_port(p); break; @@ -82,7 +84,7 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v spin_unlock_bh(&br->lock); br_del_if(br, dev); goto done; - } + } spin_unlock_bh(&br->lock); done: |