net_sched: sch_pie: defer skb freeing

pie_change() can use rtnl_qdisc_drop() to benefit from
deferred freeing.

pie_reset() is already using qdisc_reset_queue()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c
index 71ae3b9629f94f8520e557f21962fc9ab34366fb..912a46a5d02e7f68627206b3569a928daf272d01 100644 (file)
--- a/net/sched/sch_pie.c
+++ b/net/sched/sch_pie.c
@@ -234,7 +234,7 @@ static int pie_change(struct Qdisc *sch, struct nlattr *opt)
 
                dropped += qdisc_pkt_len(skb);
                qdisc_qstats_backlog_dec(sch, skb);
-               qdisc_drop(skb, sch);
+               rtnl_qdisc_drop(skb, sch);
        }
        qdisc_tree_reduce_backlog(sch, qlen - sch->q.qlen, dropped);