From cffe1c5d7a5a1e54f7c2c6d0510f651a965bccc3 Mon Sep 17 00:00:00 2001 From: "David S. Miller" <davem@davemloft.net> Date: Fri, 25 Jul 2008 01:25:04 -0700 Subject: [PATCH] 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> --- net/sched/sch_generic.c | 4 ++-- 1 file 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, 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); } } -- 2.20.1