fq_codel: fix a use-after-free

Fixes: 25331d6ce42b ("net: sched: implement qstat helper routines")
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index d75993f89fac..06e7c845e24d 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -155,10 +155,10 @@ static unsigned int fq_codel_drop(struct Qdisc *sch)
         skb = dequeue_head(flow);
         len = qdisc_pkt_len(skb);
         q->backlogs[idx] -= len;
-        kfree_skb(skb);
         sch->q.qlen--;
         qdisc_qstats_drop(sch);
         qdisc_qstats_backlog_dec(sch, skb);
+        kfree_skb(skb);
         flow->dropped++;
         return idx;
 }