diff options
| -rw-r--r-- | net/sched/sch_fq.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c index 1da8864502d4..1a662f2bb7bb 100644 --- a/net/sched/sch_fq.c +++ b/net/sched/sch_fq.c @@ -414,16 +414,21 @@ static void fq_check_throttled(struct fq_sched_data *q, u64 now) static struct sk_buff *fq_dequeue(struct Qdisc *sch) { struct fq_sched_data *q = qdisc_priv(sch); - u64 now = ktime_get_ns(); struct fq_flow_head *head; struct sk_buff *skb; struct fq_flow *f; unsigned long rate; u32 plen; + u64 now; + + if (!sch->q.qlen) + return NULL; skb = fq_dequeue_head(sch, &q->internal); if (skb) goto out; + + now = ktime_get_ns(); fq_check_throttled(q, now); begin: head = &q->new_flows; |