net/sched: sch_clsact: Only create under TC_H_CLSACT

[sfrench/cifs-2.6.git] / net / sched / sch_ingress.c

diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index f9ef6deb27709f246b397cd92e4a4521d7837bcf..35963929e117852b731e61eef697474903a1a04f 100644 (file)
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -225,6 +225,9 @@ 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();
 
@@ -254,6 +257,9 @@ static void clsact_destroy(struct Qdisc *sch)
 {
        struct clsact_sched_data *q = qdisc_priv(sch);
 
+       if (sch->parent != TC_H_CLSACT)
+               return;
+
        tcf_block_put_ext(q->egress_block, sch, &q->egress_block_info);
        tcf_block_put_ext(q->ingress_block, sch, &q->ingress_block_info);