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-rw-r--r--net/sched/sch_gred.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 17c7130454bd..bc30f9186ac6 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -356,6 +356,9 @@ static inline int gred_change_vq(struct Qdisc *sch, int dp,
struct gred_sched *table = qdisc_priv(sch);
struct gred_sched_data *q = table->tab[dp];
+ if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog))
+ return -EINVAL;
+
if (!q) {
table->tab[dp] = q = *prealloc;
*prealloc = NULL;