summaryrefslogtreecommitdiffstats
path: root/net/sched/sch_mqprio.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sched/sch_mqprio.c')
-rw-r--r--net/sched/sch_mqprio.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
index 6749e2f540d..37e7d25d21f 100644
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -231,7 +231,7 @@ static int mqprio_dump(struct Qdisc *sch, struct sk_buff *skb)
memset(&sch->qstats, 0, sizeof(sch->qstats));
for (i = 0; i < dev->num_tx_queues; i++) {
- qdisc = netdev_get_tx_queue(dev, i)->qdisc;
+ qdisc = rtnl_dereference(netdev_get_tx_queue(dev, i)->qdisc);
spin_lock_bh(qdisc_lock(qdisc));
sch->q.qlen += qdisc->q.qlen;
sch->bstats.bytes += qdisc->bstats.bytes;
@@ -340,7 +340,9 @@ static int mqprio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
spin_unlock_bh(d->lock);
for (i = tc.offset; i < tc.offset + tc.count; i++) {
- qdisc = netdev_get_tx_queue(dev, i)->qdisc;
+ struct netdev_queue *q = netdev_get_tx_queue(dev, i);
+
+ qdisc = rtnl_dereference(q->qdisc);
spin_lock_bh(qdisc_lock(qdisc));
bstats.bytes += qdisc->bstats.bytes;
bstats.packets += qdisc->bstats.packets;