bridge: change when netlink events go to STP

Need to tell STP daemon about more events, like any time a
device is added even when it is down.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>

1 files changed, 9 insertions, 4 deletions

diff --git a/net/bridge/br_notify.c b/net/bridge/br_notify.c
index 37357ed2149b..c8451d3a070c 100644
--- a/net/bridge/br_notify.c
+++ b/net/bridge/br_notify.c
@@ -50,7 +50,6 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
         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;
@@ -74,10 +73,11 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
                 break;
 
         case NETDEV_UP:
-                spin_lock_bh(&br->lock);
-                if (netif_carrier_ok(dev) && (br->dev->flags & IFF_UP))
+                if (netif_carrier_ok(dev) && (br->dev->flags & IFF_UP)) {
+                        spin_lock_bh(&br->lock);
                         br_stp_enable_port(p);
-                spin_unlock_bh(&br->lock);
+                        spin_unlock_bh(&br->lock);
+                }
                 break;
 
         case NETDEV_UNREGISTER:
@@ -85,5 +85,10 @@ static int br_device_event(struct notifier_block *unused, unsigned long event, v
                 break;
         }
 
+        /* Events that may cause spanning tree to refresh */
+        if (event == NETDEV_CHANGEADDR || event == NETDEV_UP ||
+            event == NETDEV_CHANGE || event == NETDEV_DOWN)
+                br_ifinfo_notify(RTM_NEWLINK, p);
+
         return NOTIFY_DONE;
 }