diff options
-rw-r--r-- | net/sched/sch_generic.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 389e0d8fc68d..d33804d41c5c 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -500,7 +500,7 @@ static void dev_watchdog(struct timer_list *t) { struct net_device *dev = from_timer(dev, t, watchdog_timer); - netif_tx_lock(dev); + spin_lock(&dev->tx_global_lock); if (!qdisc_tx_is_noop(dev)) { if (netif_device_present(dev) && netif_running(dev) && @@ -523,11 +523,13 @@ static void dev_watchdog(struct timer_list *t) } } - if (some_queue_timedout) { + if (unlikely(some_queue_timedout)) { trace_net_dev_xmit_timeout(dev, i); WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit queue %u timed out\n", dev->name, netdev_drivername(dev), i); + netif_freeze_queues(dev); dev->netdev_ops->ndo_tx_timeout(dev, i); + netif_unfreeze_queues(dev); } if (!mod_timer(&dev->watchdog_timer, round_jiffies(jiffies + @@ -535,7 +537,7 @@ static void dev_watchdog(struct timer_list *t) dev_hold(dev); } } - netif_tx_unlock(dev); + spin_unlock(&dev->tx_global_lock); dev_put(dev); } |