Message ID | 1465420981-13638-1-git-send-email-fw@strlen.de |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Florian Westphal <fw@strlen.de> Date: Wed, 8 Jun 2016 23:23:01 +0200 > When we need to create a new aggregate to enqueue the skb we call kzalloc. > If that fails we returned ENOBUFS without freeing the skb. > > Spotted during code review. > > Signed-off-by: Florian Westphal <fw@strlen.de> Applied.
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 8d2d8d9..f18857f 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -1235,8 +1235,10 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) cl->agg->lmax, qdisc_pkt_len(skb), cl->common.classid); err = qfq_change_agg(sch, cl, cl->agg->class_weight, qdisc_pkt_len(skb)); - if (err) - return err; + if (err) { + cl->qstats.drops++; + return qdisc_drop(skb, sch); + } } err = qdisc_enqueue(skb, cl->qdisc);
When we need to create a new aggregate to enqueue the skb we call kzalloc. If that fails we returned ENOBUFS without freeing the skb. Spotted during code review. Signed-off-by: Florian Westphal <fw@strlen.de> --- V2: also increment cl->qstats.drops net/sched/sch_qfq.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)