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authorDavid S. Miller <davem@davemloft.net>2008-07-25 04:25:04 -0400
committerDavid S. Miller <davem@davemloft.net>2008-07-25 04:25:04 -0400
commitcffe1c5d7a5a1e54f7c2c6d0510f651a965bccc3 (patch)
tree8d016589486306d406f12ed6b8d85f4be59e460d /net
parentf867e6af94239a04ec23aeec2fcda5aa58e41db7 (diff)
pkt_sched: Fix locking in shutdown_scheduler_queue()
Qdisc locks need to be held with BH disabled. Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/sched/sch_generic.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 4ac7e3a8c253..43abd4d27ea6 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -736,9 +736,9 @@ static void shutdown_scheduler_queue(struct net_device *dev,
736 dev_queue->qdisc = qdisc_default; 736 dev_queue->qdisc = qdisc_default;
737 dev_queue->qdisc_sleeping = qdisc_default; 737 dev_queue->qdisc_sleeping = qdisc_default;
738 738
739 spin_lock(root_lock); 739 spin_lock_bh(root_lock);
740 qdisc_destroy(qdisc); 740 qdisc_destroy(qdisc);
741 spin_unlock(root_lock); 741 spin_unlock_bh(root_lock);
742 } 742 }
743} 743}
744 744