[NET_SCHED]: Propagate nla_parse return value
nla_parse() returns more detailed errno codes, propagate them back on
error.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index fee5282..1269334 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -104,9 +104,13 @@
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;