[NET_SCHED]: Propagate nla_parse return value

[deliverable/linux.git] / net / sched / sch_hfsc.c

diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 4e6a164d3058fa3e46ff7850671b4b5cb1109ad5..fcb4826158d65c561b66560961c4613910511096 100644 (file)
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -997,10 +997,15 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
        struct nlattr *tb[TCA_HFSC_MAX + 1];
        struct tc_service_curve *rsc = NULL, *fsc = NULL, *usc = NULL;
        u64 cur_time;
+       int err;
 
-       if (opt == NULL || nla_parse_nested(tb, TCA_HFSC_MAX, opt, NULL))
+       if (opt == NULL)
                return -EINVAL;
 
+       err = nla_parse_nested(tb, TCA_HFSC_MAX, opt, NULL);
+       if (err < 0)
+               return err;
+
        if (tb[TCA_HFSC_RSC]) {
                if (nla_len(tb[TCA_HFSC_RSC]) < sizeof(*rsc))
                        return -EINVAL;