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-rw-r--r--net/sched/act_nat.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index be007bb31b59..5a512d4dc37c 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -45,13 +45,17 @@ static int tcf_nat_init(struct nlattr *nla, struct nlattr *est,
{
struct nlattr *tb[TCA_NAT_MAX + 1];
struct tc_nat *parm;
- int ret = 0;
+ int ret = 0, err;
struct tcf_nat *p;
struct tcf_common *pc;
- if (nla == NULL || nla_parse_nested(tb, TCA_NAT_MAX, nla, NULL) < 0)
+ if (nla == NULL)
return -EINVAL;
+ err = nla_parse_nested(tb, TCA_NAT_MAX, nla, NULL);
+ if (err < 0)
+ return err;
+
if (tb[TCA_NAT_PARMS] == NULL ||
nla_len(tb[TCA_NAT_PARMS]) < sizeof(*parm))
return -EINVAL;