Messages in this thread Patch in this message | | | From | Peilin Ye <> | Subject | [PATCH v2 net 2/6] net/sched: sch_clsact: Only create under TC_H_CLSACT | Date | Mon, 22 May 2023 16:54:02 -0700 |
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clsact Qdiscs are only supposed to be created under TC_H_CLSACT (which equals TC_H_INGRESS). Return -EOPNOTSUPP if 'parent' is not TC_H_CLSACT.
Fixes: 1f211a1b929c ("net, sched: add clsact qdisc") Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Peilin Ye <peilin.ye@bytedance.com> --- net/sched/sch_ingress.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c index 3d71f7a3b4ad..13218a1fe4a5 100644 --- a/net/sched/sch_ingress.c +++ b/net/sched/sch_ingress.c @@ -222,6 +222,9 @@ static int clsact_init(struct Qdisc *sch, struct nlattr *opt, struct net_device *dev = qdisc_dev(sch); int err; + if (sch->parent != TC_H_CLSACT) + return -EOPNOTSUPP; + net_inc_ingress_queue(); net_inc_egress_queue(); -- 2.20.1
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