diff options
Diffstat (limited to 'net/sched/sch_hfsc.c')
| -rw-r--r-- | net/sched/sch_hfsc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 4e6a164d3058..fcb4826158d6 100644 --- 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; |