From: WANG Cong <[email protected]> commit 2ed5c3f09627f72a2e0e407a86b2ac05494190f9 upstream.
Reported-by: Stas Nichiporovich <[email protected]> Fixes: 2ccccf5fb43f ("net_sched: update hierarchical backlog too") Cc: Jamal Hadi Salim <[email protected]> Signed-off-by: Cong Wang <[email protected]> Acked-by: Jamal Hadi Salim <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- net/sched/sch_qfq.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -1150,6 +1150,7 @@ static struct sk_buff *qfq_dequeue(struc if (!skb) return NULL; + qdisc_qstats_backlog_dec(sch, skb); sch->q.qlen--; qdisc_bstats_update(sch, skb); @@ -1250,6 +1251,7 @@ static int qfq_enqueue(struct sk_buff *s } bstats_update(&cl->bstats, skb); + qdisc_qstats_backlog_inc(sch, skb); ++sch->q.qlen; agg = cl->agg; @@ -1516,6 +1518,7 @@ static void qfq_reset_qdisc(struct Qdisc qdisc_reset(cl->qdisc); } } + sch->qstats.backlog = 0; sch->q.qlen = 0; }

