diff options
| -rw-r--r-- | net/bridge/br_if.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 170794546522..89ad25a76202 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -67,20 +67,21 @@ void br_port_carrier_check(struct net_bridge_port *p) struct net_device *dev = p->dev; struct net_bridge *br = p->br; - if (netif_carrier_ok(dev)) + if (netif_running(dev) && netif_carrier_ok(dev)) p->path_cost = port_cost(dev); - if (netif_running(br->dev)) { - spin_lock_bh(&br->lock); - if (netif_carrier_ok(dev)) { - if (p->state == BR_STATE_DISABLED) - br_stp_enable_port(p); - } else { - if (p->state != BR_STATE_DISABLED) - br_stp_disable_port(p); - } - spin_unlock_bh(&br->lock); + if (!netif_running(br->dev)) + return; + + spin_lock_bh(&br->lock); + if (netif_running(dev) && netif_carrier_ok(dev)) { + if (p->state == BR_STATE_DISABLED) + br_stp_enable_port(p); + } else { + if (p->state != BR_STATE_DISABLED) + br_stp_disable_port(p); } + spin_unlock_bh(&br->lock); } static void release_nbp(struct kobject *kobj) |