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-rw-r--r--net/sched/cls_basic.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 0c872a76c4b0..bfb4342ea88c 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -129,6 +129,11 @@ static int basic_delete(struct tcf_proto *tp, unsigned long arg)
return -ENOENT;
}
+static const struct nla_policy basic_policy[TCA_BASIC_MAX + 1] = {
+ [TCA_BASIC_CLASSID] = { .type = NLA_U32 },
+ [TCA_BASIC_EMATCHES] = { .type = NLA_NESTED },
+};
+
static inline int basic_set_parms(struct tcf_proto *tp, struct basic_filter *f,
unsigned long base, struct nlattr **tb,
struct nlattr *est)
@@ -137,10 +142,6 @@ static inline int basic_set_parms(struct tcf_proto *tp, struct basic_filter *f,
struct tcf_exts e;
struct tcf_ematch_tree t;
- if (tb[TCA_BASIC_CLASSID])
- if (nla_len(tb[TCA_BASIC_CLASSID]) < sizeof(u32))
- return err;
-
err = tcf_exts_validate(tp, tb, est, &e, &basic_ext_map);
if (err < 0)
return err;
@@ -174,7 +175,8 @@ static int basic_change(struct tcf_proto *tp, unsigned long base, u32 handle,
if (tca[TCA_OPTIONS] == NULL)
return -EINVAL;
- err = nla_parse_nested(tb, TCA_BASIC_MAX, tca[TCA_OPTIONS], NULL);
+ err = nla_parse_nested(tb, TCA_BASIC_MAX, tca[TCA_OPTIONS],
+ basic_policy);
if (err < 0)
return err;