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>

diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 6d6df6b2d38fd5b509f4c49b04126a374cfe1ee2..e2244bb78130455e6abaf5120fcce1c628242ea4 100644 (file)
--- 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;
        }