[NET_SCHED]: Use nla_policy for attribute validation in actions
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index cedaadf..fbde461 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -84,6 +84,10 @@
return alloc_defdata(d, datalen, defdata);
}
+static const struct nla_policy simple_policy[TCA_DEF_MAX + 1] = {
+ [TCA_DEF_PARMS] = { .len = sizeof(struct tc_defact) },
+};
+
static int tcf_simp_init(struct nlattr *nla, struct nlattr *est,
struct tc_action *a, int ovr, int bind)
{
@@ -102,8 +106,7 @@
if (err < 0)
return err;
- if (tb[TCA_DEF_PARMS] == NULL ||
- nla_len(tb[TCA_DEF_PARMS]) < sizeof(*parm))
+ if (tb[TCA_DEF_PARMS] == NULL)
return -EINVAL;
parm = nla_data(tb[TCA_DEF_PARMS]);