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-rw-r--r--net/sched/cls_api.c5
-rw-r--r--net/sched/sch_red.c6
-rw-r--r--net/sched/sch_tbf.c6
3 files changed, 5 insertions, 12 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 09cdcdf..bcfbdb4 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -181,6 +181,9 @@ replay:
if ((cops = q->ops->cl_ops) == NULL)
return -EINVAL;
+ if (cops->tcf_chain == NULL)
+ return -EOPNOTSUPP;
+
/* Do we search for filter, attached to class? */
if (TC_H_MIN(parent)) {
cl = cops->get(q, parent);
@@ -433,6 +436,8 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
goto out;
if ((cops = q->ops->cl_ops) == NULL)
goto errout;
+ if (cops->tcf_chain == NULL)
+ goto errout;
if (TC_H_MIN(tcm->tcm_parent)) {
cl = cops->get(q, tcm->tcm_parent);
if (cl == 0)
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 2bdf241..c27b802 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -331,11 +331,6 @@ static void red_walk(struct Qdisc *sch, struct qdisc_walker *walker)
}
}
-static struct tcf_proto **red_find_tcf(struct Qdisc *sch, unsigned long cl)
-{
- return NULL;
-}
-
static const struct Qdisc_class_ops red_class_ops = {
.graft = red_graft,
.leaf = red_leaf,
@@ -344,7 +339,6 @@ static const struct Qdisc_class_ops red_class_ops = {
.change = red_change_class,
.delete = red_delete,
.walk = red_walk,
- .tcf_chain = red_find_tcf,
.dump = red_dump_class,
};
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index e22dfe8..2890969 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -433,11 +433,6 @@ static void tbf_walk(struct Qdisc *sch, struct qdisc_walker *walker)
}
}
-static struct tcf_proto **tbf_find_tcf(struct Qdisc *sch, unsigned long cl)
-{
- return NULL;
-}
-
static const struct Qdisc_class_ops tbf_class_ops =
{
.graft = tbf_graft,
@@ -447,7 +442,6 @@ static const struct Qdisc_class_ops tbf_class_ops =
.change = tbf_change_class,
.delete = tbf_delete,
.walk = tbf_walk,
- .tcf_chain = tbf_find_tcf,
.dump = tbf_dump_class,
};
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