diff options
Diffstat (limited to 'net/sched/act_ipt.c')
| -rw-r--r-- | net/sched/act_ipt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index fee5282637c..12693347d56 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -104,9 +104,13 @@ static int tcf_ipt_init(struct nlattr *nla, struct nlattr *est, u32 hook = 0; u32 index = 0; - if (nla == NULL || nla_parse_nested(tb, TCA_IPT_MAX, nla, NULL) < 0) + if (nla == NULL) return -EINVAL; + err = nla_parse_nested(tb, TCA_IPT_MAX, nla, NULL); + if (err < 0) + return err; + if (tb[TCA_IPT_HOOK] == NULL || nla_len(tb[TCA_IPT_HOOK]) < sizeof(u32)) return -EINVAL; |