netdev - [net-next PATCH 2/5] net/sched/sch_hfsc.c: add unlikely() in qdisc_peek

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Message-Id: <1467246408-913-3-git-send-email-soltys@ziu.info>
Date:	Thu, 30 Jun 2016 02:26:45 +0200
From:	Michal Soltys <soltys@....info>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, kaber@...sh.net
Subject: [net-next PATCH 2/5] net/sched/sch_hfsc.c: add unlikely() in qdisc_peek_len()

The condition can only succeed on wrong configurations.

Signed-off-by: Michal Soltys <soltys@....info>
---
 net/sched/sch_hfsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 6d6df6b..e2244bb 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -882,7 +882,7 @@ qdisc_peek_len(struct Qdisc *sch)
 	unsigned int len;
 
 	skb = sch->ops->peek(sch);
-	if (skb == NULL) {
+	if (unlikely(skb == NULL)) {
 		qdisc_warn_nonwc("qdisc_peek_len", sch);
 		return 0;
 	}
-- 
2.1.3