diff options
Diffstat (limited to 'net/sched/sch_generic.c')
| -rw-r--r-- | net/sched/sch_generic.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 082db8abe70..efa418a1b34 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -757,18 +757,20 @@ static void shutdown_scheduler_queue(struct net_device *dev, struct Qdisc *qdisc_default = _qdisc_default; if (qdisc) { + spinlock_t *root_lock = qdisc_root_lock(qdisc); + dev_queue->qdisc = qdisc_default; dev_queue->qdisc_sleeping = qdisc_default; + spin_lock(root_lock); qdisc_destroy(qdisc); + spin_unlock(root_lock); } } void dev_shutdown(struct net_device *dev) { - qdisc_lock_tree(dev); netdev_for_each_tx_queue(dev, shutdown_scheduler_queue, &noop_qdisc); shutdown_scheduler_queue(dev, &dev->rx_queue, NULL); BUG_TRAP(!timer_pending(&dev->watchdog_timer)); - qdisc_unlock_tree(dev); } |