diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index c44da48de7df..c9cd5086bd54 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -421,6 +421,11 @@ 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 86350fe5cfc8..15f8f24c190d 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -474,7 +474,7 @@ 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;