diff options
Diffstat (limited to 'net/sched/sch_red.c')
| -rw-r--r-- | net/sched/sch_red.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index 6ce8da5aca0b..dcf6afc196f8 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -207,10 +207,15 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt) struct nlattr *tb[TCA_RED_MAX + 1]; struct tc_red_qopt *ctl; struct Qdisc *child = NULL; + int err; - if (opt == NULL || nla_parse_nested(tb, TCA_RED_MAX, opt, NULL)) + if (opt == NULL) return -EINVAL; + err = nla_parse_nested(tb, TCA_RED_MAX, opt, NULL); + if (err < 0) + return err; + if (tb[TCA_RED_PARMS] == NULL || nla_len(tb[TCA_RED_PARMS]) < sizeof(*ctl) || tb[TCA_RED_STAB] == NULL || |