diff options
| -rw-r--r-- | net/sched/sch_teql.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c index 8badec6d82a2..6e4bdaa876ed 100644 --- a/net/sched/sch_teql.c +++ b/net/sched/sch_teql.c @@ -178,6 +178,11 @@ static int teql_qdisc_init(struct Qdisc *sch, struct nlattr *opt, if (m->dev == dev) return -ELOOP; + if (sch->parent != TC_H_ROOT) { + NL_SET_ERR_MSG_MOD(extack, "teql can only be used as root"); + return -EOPNOTSUPP; + } + q->m = m; skb_queue_head_init(&q->q); |