commit d1d0fc5e4c6822c5dadd9389297c7c1b8eea314f
author Michal Soltys <soltys@ziu.info> Thu Jun 30 02:26:45 2016 +0200
committer David S. Miller <davem@davemloft.net> Fri Jul 01 05:03:43 2016 -0400
tree f6570fd55386fa2e04884efdc906c9a5c7038b8d
parent 12d0ad3be9c3854e52ec74bb83bb6f43612827c7

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@ziu.info>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/sch_hfsc.c

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 @@
 	unsigned int len;
 
 	skb = sch->ops->peek(sch);
-	if (skb == NULL) {
+	if (unlikely(skb == NULL)) {
 		qdisc_warn_nonwc("qdisc_peek_len", sch);
 		return 0;
 	}