diff options
| -rw-r--r-- | net/sched/sch_prio.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index 71bafde353a..4a49db65772 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -238,11 +238,13 @@ static int prio_tune(struct Qdisc *sch, struct rtattr *opt) /* If we're multiqueue, make sure the number of incoming bands * matches the number of queues on the device we're associating with. * If the number of bands requested is zero, then set q->bands to - * dev->egress_subqueue_count. + * dev->egress_subqueue_count. Also, the root qdisc must be the + * only one that is enabled for multiqueue, since it's the only one + * that interacts with the underlying device. */ q->mq = RTA_GET_FLAG(tb[TCA_PRIO_MQ - 1]); if (q->mq) { - if (sch->handle != TC_H_ROOT) + if (sch->parent != TC_H_ROOT) return -EINVAL; if (netif_is_multiqueue(sch->dev)) { if (q->bands == 0) |