net/sched: act_pedit: Add size check for TCA_PEDIT_PARMS_EX

[platform/kernel/linux-starfive.git] / net / sched / sch_ingress.c

diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index 8483812..e43a454 100644 (file)
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -80,6 +80,9 @@ static int ingress_init(struct Qdisc *sch, struct nlattr *opt,
        struct net_device *dev = qdisc_dev(sch);
        int err;
 
+       if (sch->parent != TC_H_INGRESS)
+               return -EOPNOTSUPP;
+
        net_inc_ingress_queue();
 
        mini_qdisc_pair_init(&q->miniqp, sch, &dev->miniq_ingress);
@@ -101,6 +104,9 @@ static void ingress_destroy(struct Qdisc *sch)
 {
        struct ingress_sched_data *q = qdisc_priv(sch);
 
+       if (sch->parent != TC_H_INGRESS)
+               return;
+
        tcf_block_put_ext(q->block, sch, &q->block_info);
        net_dec_ingress_queue();
 }
@@ -134,7 +140,7 @@ static struct Qdisc_ops ingress_qdisc_ops __read_mostly = {
        .cl_ops                 =       &ingress_class_ops,
        .id                     =       "ingress",
        .priv_size              =       sizeof(struct ingress_sched_data),
-       .static_flags           =       TCQ_F_CPUSTATS,
+       .static_flags           =       TCQ_F_INGRESS | TCQ_F_CPUSTATS,
        .init                   =       ingress_init,
        .destroy                =       ingress_destroy,
        .dump                   =       ingress_dump,
@@ -219,6 +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();
 
@@ -248,6 +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);
 
@@ -269,7 +281,7 @@ static struct Qdisc_ops clsact_qdisc_ops __read_mostly = {
        .cl_ops                 =       &clsact_class_ops,
        .id                     =       "clsact",
        .priv_size              =       sizeof(struct clsact_sched_data),
-       .static_flags           =       TCQ_F_CPUSTATS,
+       .static_flags           =       TCQ_F_INGRESS | TCQ_F_CPUSTATS,
        .init                   =       clsact_init,
        .destroy                =       clsact_destroy,
        .dump                   =       ingress_dump,