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-rw-r--r--net/sched/sch_tbf.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index b7a185d..0b7d78f5 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -270,6 +270,12 @@ static struct Qdisc *tbf_create_dflt_qdisc(struct Qdisc *sch, u32 limit)
return NULL;
}
+static const struct nla_policy tbf_policy[TCA_TBF_MAX + 1] = {
+ [TCA_TBF_PARMS] = { .len = sizeof(struct tc_tbf_qopt) },
+ [TCA_TBF_RTAB] = { .type = NLA_BINARY, .len = TC_RTAB_SIZE },
+ [TCA_TBF_PTAB] = { .type = NLA_BINARY, .len = TC_RTAB_SIZE },
+};
+
static int tbf_change(struct Qdisc* sch, struct nlattr *opt)
{
int err;
@@ -281,13 +287,12 @@ static int tbf_change(struct Qdisc* sch, struct nlattr *opt)
struct Qdisc *child = NULL;
int max_size,n;
- err = nla_parse_nested(tb, TCA_TBF_PTAB, opt, NULL);
+ err = nla_parse_nested(tb, TCA_TBF_PTAB, opt, tbf_policy);
if (err < 0)
return err;
err = -EINVAL;
- if (tb[TCA_TBF_PARMS] == NULL ||
- nla_len(tb[TCA_TBF_PARMS]) < sizeof(*qopt))
+ if (tb[TCA_TBF_PARMS] == NULL)
goto done;
qopt = nla_data(tb[TCA_TBF_PARMS]);
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