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pkt_sched: Fix locking in shutdown_scheduler_queue()
author
David S. Miller
<davem@davemloft.net>
Fri, 25 Jul 2008 08:25:04 +0000
(
01:25
-0700)
committer
David S. Miller
<davem@davemloft.net>
Fri, 25 Jul 2008 08:25:04 +0000
(
01:25
-0700)
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>
net/sched/sch_generic.c
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diff --git
a/net/sched/sch_generic.c
b/net/sched/sch_generic.c
index
4ac7e3a
..
43abd4d
100644
(file)
--- 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,
dev_queue->qdisc = qdisc_default;
dev_queue->qdisc_sleeping = qdisc_default;
- spin_lock(root_lock);
+ spin_lock
_bh
(root_lock);
qdisc_destroy(qdisc);
- spin_unlock(root_lock);
+ spin_unlock
_bh
(root_lock);
}
}