linux-kernel - [PATCH RESEND] pkt_sched: sch_qfq: remove redundant -if- control statement

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Date:	Wed, 17 Jun 2015 00:16:59 +0200
From:	Andrea Parri <parri.andrea@...il.com>
To:	jhs@...atatu.com, davem@...emloft.net
Cc:	paolo.valente@...more.it, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Andrea Parri <parri.andrea@...il.com>
Subject: [PATCH RESEND] pkt_sched: sch_qfq: remove redundant -if- control statement

The control !hlist_unhashed() in qfq_destroy_agg() is unnecessary
because already performed in hlist_del_init(), so remove it.

Signed-off-by: Andrea Parri <parri.andrea@...il.com>
---
 net/sched/sch_qfq.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index 3ec7e88..b8d73bc 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -339,8 +339,7 @@ static struct qfq_aggregate *qfq_choose_next_agg(struct qfq_sched *);
 
 static void qfq_destroy_agg(struct qfq_sched *q, struct qfq_aggregate *agg)
 {
-	if (!hlist_unhashed(&agg->nonfull_next))
-		hlist_del_init(&agg->nonfull_next);
+	hlist_del_init(&agg->nonfull_next);
 	q->wsum -= agg->class_weight;
 	if (q->wsum != 0)
 		q->iwsum = ONE_FP / q->wsum;
-- 
1.9.1

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