[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_gact.c b/net/sched/act_gact.c
index 5402cf8..df214d4 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -61,10 +61,15 @@
struct tcf_gact *gact;
struct tcf_common *pc;
int ret = 0;
+ int err;
- if (nla == NULL || nla_parse_nested(tb, TCA_GACT_MAX, nla, NULL) < 0)
+ if (nla == NULL)
return -EINVAL;
+ err = nla_parse_nested(tb, TCA_GACT_MAX, nla, NULL);
+ if (err < 0)
+ return err;
+
if (tb[TCA_GACT_PARMS] == NULL ||
nla_len(tb[TCA_GACT_PARMS]) < sizeof(*parm))
return -EINVAL;