aboutsummaryrefslogtreecommitdiffstats
path: root/net/sched
diff options
context:
space:
mode:
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/sch_generic.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 7cf83b37459d..468574682caa 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -647,7 +647,7 @@ static void dev_deactivate_queue(struct net_device *dev,
647 } 647 }
648} 648}
649 649
650static bool some_qdisc_is_running(struct net_device *dev, int lock) 650static bool some_qdisc_is_busy(struct net_device *dev, int lock)
651{ 651{
652 unsigned int i; 652 unsigned int i;
653 653
@@ -658,13 +658,14 @@ static bool some_qdisc_is_running(struct net_device *dev, int lock)
658 int val; 658 int val;
659 659
660 dev_queue = netdev_get_tx_queue(dev, i); 660 dev_queue = netdev_get_tx_queue(dev, i);
661 q = dev_queue->qdisc; 661 q = dev_queue->qdisc_sleeping;
662 root_lock = qdisc_lock(q); 662 root_lock = qdisc_lock(q);
663 663
664 if (lock) 664 if (lock)
665 spin_lock_bh(root_lock); 665 spin_lock_bh(root_lock);
666 666
667 val = test_bit(__QDISC_STATE_RUNNING, &q->state); 667 val = (test_bit(__QDISC_STATE_RUNNING, &q->state) ||
668 test_bit(__QDISC_STATE_SCHED, &q->state));
668 669
669 if (lock) 670 if (lock)
670 spin_unlock_bh(root_lock); 671 spin_unlock_bh(root_lock);
@@ -689,14 +690,14 @@ void dev_deactivate(struct net_device *dev)
689 690
690 /* Wait for outstanding qdisc_run calls. */ 691 /* Wait for outstanding qdisc_run calls. */
691 do { 692 do {
692 while (some_qdisc_is_running(dev, 0)) 693 while (some_qdisc_is_busy(dev, 0))
693 yield(); 694 yield();
694 695
695 /* 696 /*
696 * Double-check inside queue lock to ensure that all effects 697 * Double-check inside queue lock to ensure that all effects
697 * of the queue run are visible when we return. 698 * of the queue run are visible when we return.
698 */ 699 */
699 running = some_qdisc_is_running(dev, 1); 700 running = some_qdisc_is_busy(dev, 1);
700 701
701 /* 702 /*
702 * The running flag should never be set at this point because 703 * The running flag should never be set at this point because