diff options
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/sch_generic.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index d7aca8ef524a..7aad0121232c 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c | |||
| @@ -181,9 +181,13 @@ requeue: | |||
| 181 | 181 | ||
| 182 | void __qdisc_run(struct net_device *dev) | 182 | void __qdisc_run(struct net_device *dev) |
| 183 | { | 183 | { |
| 184 | if (unlikely(dev->qdisc == &noop_qdisc)) | ||
| 185 | goto out; | ||
| 186 | |||
| 184 | while (qdisc_restart(dev) < 0 && !netif_queue_stopped(dev)) | 187 | while (qdisc_restart(dev) < 0 && !netif_queue_stopped(dev)) |
| 185 | /* NOTHING */; | 188 | /* NOTHING */; |
| 186 | 189 | ||
| 190 | out: | ||
| 187 | clear_bit(__LINK_STATE_QDISC_RUNNING, &dev->state); | 191 | clear_bit(__LINK_STATE_QDISC_RUNNING, &dev->state); |
| 188 | } | 192 | } |
| 189 | 193 | ||
| @@ -583,10 +587,12 @@ void dev_deactivate(struct net_device *dev) | |||
| 583 | 587 | ||
| 584 | dev_watchdog_down(dev); | 588 | dev_watchdog_down(dev); |
| 585 | 589 | ||
| 586 | while (test_bit(__LINK_STATE_SCHED, &dev->state)) | 590 | /* Wait for outstanding dev_queue_xmit calls. */ |
| 587 | yield(); | 591 | synchronize_rcu(); |
| 588 | 592 | ||
| 589 | spin_unlock_wait(&dev->_xmit_lock); | 593 | /* Wait for outstanding qdisc_run calls. */ |
| 594 | while (test_bit(__LINK_STATE_QDISC_RUNNING, &dev->state)) | ||
| 595 | yield(); | ||
| 590 | } | 596 | } |
| 591 | 597 | ||
| 592 | void dev_init_scheduler(struct net_device *dev) | 598 | void dev_init_scheduler(struct net_device *dev) |
