diff options
Diffstat (limited to 'net/sched/sch_cbq.c')
| -rw-r--r-- | net/sched/sch_cbq.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 5c8667ef4ba7..585f8a6ec7ec 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1382,9 +1382,13 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt) struct cbq_sched_data *q = qdisc_priv(sch); struct nlattr *tb[TCA_CBQ_MAX + 1]; struct tc_ratespec *r; + int err; + + err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, NULL); + if (err < 0) + return err; - if (nla_parse_nested(tb, TCA_CBQ_MAX, opt, NULL) < 0 || - tb[TCA_CBQ_RTAB] == NULL || tb[TCA_CBQ_RATE] == NULL || + if (tb[TCA_CBQ_RTAB] == NULL || tb[TCA_CBQ_RATE] == NULL || nla_len(tb[TCA_CBQ_RATE]) < sizeof(struct tc_ratespec)) return -EINVAL; @@ -1764,9 +1768,13 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t struct cbq_class *parent; struct qdisc_rate_table *rtab = NULL; - if (opt==NULL || nla_parse_nested(tb, TCA_CBQ_MAX, opt, NULL)) + if (opt == NULL) return -EINVAL; + err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, NULL); + if (err < 0) + return err; + if (tb[TCA_CBQ_OVL_STRATEGY] && nla_len(tb[TCA_CBQ_OVL_STRATEGY]) < sizeof(struct tc_cbq_ovl)) return -EINVAL; |