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-rw-r--r--net/sched/sch_red.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 8c0508c0e287..0505b8408c8b 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -199,6 +199,8 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt)
max_P = tb[TCA_RED_MAX_P] ? nla_get_u32(tb[TCA_RED_MAX_P]) : 0;
ctl = nla_data(tb[TCA_RED_PARMS]);
+ if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog))
+ return -EINVAL;
if (ctl->limit > 0) {
child = fifo_create_dflt(sch, &bfifo_qdisc_ops, ctl->limit);