pkt_sched: Fix build with NET_SCHED disabled.

The stab bits can't be referenced uniless the full
packet scheduler layer is enabled.

Reported by Stephen Rothwell.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 27a51f04db49..0ddf69286f92 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -469,7 +469,9 @@ static void __qdisc_destroy(struct rcu_head *head)
         struct Qdisc *qdisc = container_of(head, struct Qdisc, q_rcu);
         const struct Qdisc_ops  *ops = qdisc->ops;
 
+#ifdef CONFIG_NET_SCHED
         qdisc_put_stab(qdisc->stab);
+#endif
         gen_kill_estimator(&qdisc->bstats, &qdisc->rate_est);
         if (ops->reset)
                 ops->reset(qdisc);