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Commit 3fcbdaee authored by Jesus Sanchez-Palencia's avatar Jesus Sanchez-Palencia Committed by David S. Miller
Browse files

etf: Cancel timer if there are no pending skbs 



There is no point in firing the qdisc watchdog if there are no future
skbs pending in the queue and the watchdog had been set previously.

Signed-off-by: default avatarJesus Sanchez-Palencia <jesus.s.palencia@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 213d7767

net/sched/sch_etf.c

+3 −1
Original line number Diff line number Diff line
@@ -117,8 +117,10 @@ static void reset_watchdog(struct Qdisc *sch) 
	struct sk_buff *skb = etf_peek_timesortedlist(sch);

	ktime_t next;



	if (!skb)

	if (!skb) {

		qdisc_watchdog_cancel(&q->watchdog);

		return;

	}



	next = ktime_sub_ns(skb->tstamp, q->delta);

	qdisc_watchdog_schedule_ns(&q->watchdog, ktime_to_ns(next));