pkt_sched: Fix qdisc config when link is down.
Bug reported by Stephen Hemminger.
We need to fetch the root from ->qdisc_sleeping not ->qdisc.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 83b23b5..ba1d121 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -189,7 +189,7 @@
for (i = 0; i < dev->num_tx_queues; i++) {
struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
- struct Qdisc *q, *txq_root = txq->qdisc;
+ struct Qdisc *q, *txq_root = txq->qdisc_sleeping;
if (!(txq_root->flags & TCQ_F_BUILTIN) &&
txq_root->handle == handle)
@@ -793,7 +793,7 @@
}
}
if ((parent != TC_H_ROOT) && !(sch->flags & TCQ_F_INGRESS))
- list_add_tail(&sch->list, &dev_queue->qdisc->list);
+ list_add_tail(&sch->list, &dev_queue->qdisc_sleeping->list);
return sch;
}
@@ -1236,11 +1236,11 @@
q_idx = 0;
dev_queue = netdev_get_tx_queue(dev, 0);
- if (tc_dump_qdisc_root(dev_queue->qdisc, skb, cb, &q_idx, s_q_idx) < 0)
+ if (tc_dump_qdisc_root(dev_queue->qdisc_sleeping, skb, cb, &q_idx, s_q_idx) < 0)
goto done;
dev_queue = &dev->rx_queue;
- if (tc_dump_qdisc_root(dev_queue->qdisc, skb, cb, &q_idx, s_q_idx) < 0)
+ if (tc_dump_qdisc_root(dev_queue->qdisc_sleeping, skb, cb, &q_idx, s_q_idx) < 0)
goto done;
cont: