[BRIDGE]: eliminate workqueue for carrier check
[powerpc.git] / net / bridge / br_notify.c
index 2027849..37357ed 100644 (file)
@@ -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.
  */
@@ -42,49 +42,48 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
 
        br = p->br;
 
-       spin_lock_bh(&br->lock);
        switch (event) {
        case NETDEV_CHANGEMTU:
                dev_set_mtu(br->dev, br_min_mtu(br));
                break;
 
        case NETDEV_CHANGEADDR:
+               spin_lock_bh(&br->lock);
                br_fdb_changeaddr(p, dev->dev_addr);
                br_ifinfo_notify(RTM_NEWLINK, p);
                br_stp_recalculate_bridge_id(br);
+               spin_unlock_bh(&br->lock);
                break;
 
        case NETDEV_CHANGE:
-               if (br->dev->flags & IFF_UP)
-                       schedule_delayed_work(&p->carrier_check, BR_PORT_DEBOUNCE);
+               br_port_carrier_check(p);
                break;
 
        case NETDEV_FEAT_CHANGE:
-               if (br->dev->flags & IFF_UP) 
+               spin_lock_bh(&br->lock);
+               if (netif_running(br->dev))
                        br_features_recompute(br);
-
-               /* could do recursive feature change notification
-                * but who would care?? 
-                */
+               spin_unlock_bh(&br->lock);
                break;
 
        case NETDEV_DOWN:
+               spin_lock_bh(&br->lock);
                if (br->dev->flags & IFF_UP)
                        br_stp_disable_port(p);
+               spin_unlock_bh(&br->lock);
                break;
 
        case NETDEV_UP:
-               if (netif_carrier_ok(dev) && (br->dev->flags & IFF_UP)) 
+               spin_lock_bh(&br->lock);
+               if (netif_carrier_ok(dev) && (br->dev->flags & IFF_UP))
                        br_stp_enable_port(p);
+               spin_unlock_bh(&br->lock);
                break;
 
        case NETDEV_UNREGISTER:
-               spin_unlock_bh(&br->lock);
                br_del_if(br, dev);
-               goto done;
-       } 
-       spin_unlock_bh(&br->lock);
+               break;
+       }
 
- done:
        return NOTIFY_DONE;
 }