diff options
Diffstat (limited to 'net/sched/sch_fq.c')
| -rw-r--r-- | net/sched/sch_fq.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c index a00c43043001..dfcea20e3171 100644 --- a/net/sched/sch_fq.c +++ b/net/sched/sch_fq.c @@ -686,8 +686,14 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) if (tb[TCA_FQ_FLOW_PLIMIT]) q->flow_plimit = nla_get_u32(tb[TCA_FQ_FLOW_PLIMIT]); - if (tb[TCA_FQ_QUANTUM]) - q->quantum = nla_get_u32(tb[TCA_FQ_QUANTUM]); + if (tb[TCA_FQ_QUANTUM]) { + u32 quantum = nla_get_u32(tb[TCA_FQ_QUANTUM]); + + if (quantum > 0) + q->quantum = quantum; + else + err = -EINVAL; + } if (tb[TCA_FQ_INITIAL_QUANTUM]) q->initial_quantum = nla_get_u32(tb[TCA_FQ_INITIAL_QUANTUM]); |