diff options
| -rw-r--r-- | net/sched/sch_sfq.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 4cff4423577..c2e628dfaac 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -491,17 +491,18 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) if (opt->nla_len < nla_attr_size(sizeof(*ctl))) return -EINVAL; + if (ctl->divisor && + (!is_power_of_2(ctl->divisor) || ctl->divisor > 65536)) + return -EINVAL; + sch_tree_lock(sch); q->quantum = ctl->quantum ? : psched_mtu(qdisc_dev(sch)); q->scaled_quantum = SFQ_ALLOT_SIZE(q->quantum); q->perturb_period = ctl->perturb_period * HZ; if (ctl->limit) q->limit = min_t(u32, ctl->limit, SFQ_DEPTH - 1); - if (ctl->divisor) { - if (!is_power_of_2(ctl->divisor) || ctl->divisor > 65536) - return -EINVAL; + if (ctl->divisor) q->divisor = ctl->divisor; - } qlen = sch->q.qlen; while (sch->q.qlen > q->limit) sfq_drop(sch); |