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-rw-r--r--include/net/sch_generic.h5
-rw-r--r--net/sched/sch_netem.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 43f5b7ed02bd..637548d54b3e 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -494,6 +494,11 @@ static inline struct Qdisc *qdisc_root(const struct Qdisc *qdisc)
return q;
}
+static inline struct Qdisc *qdisc_root_bh(const struct Qdisc *qdisc)
+{
+ return rcu_dereference_bh(qdisc->dev_queue->qdisc);
+}
+
static inline struct Qdisc *qdisc_root_sleeping(const struct Qdisc *qdisc)
{
return qdisc->dev_queue->qdisc_sleeping;
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index f5cb35e550f8..0e44039e729c 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -476,7 +476,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
* skb will be queued.
*/
if (count > 1 && (skb2 = skb_clone(skb, GFP_ATOMIC)) != NULL) {
- struct Qdisc *rootq = qdisc_root(sch);
+ struct Qdisc *rootq = qdisc_root_bh(sch);
u32 dupsave = q->duplicate; /* prevent duplicating a dup... */
q->duplicate = 0;

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