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[net-next,2/5] net/sched/sch_hfsc.c: add unlikely() in qdisc_peek_len()

Message ID 1467246408-913-3-git-send-email-soltys@ziu.info
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Michal Soltys June 30, 2016, 12:26 a.m. UTC 
The condition can only succeed on wrong configurations.

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

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;
 	}