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>

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index db9ad65..b5f40d7 100644 (file)
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -333,8 +333,10 @@ static inline unsigned int qdisc_pkt_len(struct sk_buff *skb)
 
 static inline int qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
+#ifdef CONFIG_NET_SCHED
        if (sch->stab)
                qdisc_calculate_pkt_len(skb, sch->stab);
+#endif
        return sch->enqueue(skb, sch);
 }
 

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 27a51f0..0ddf692 100644 (file)
--- 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);