1 files changed, 3 insertions, 1 deletions

diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index 8302717ea303..7bbbfe112192 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -391,8 +391,10 @@ static struct sk_buff *drr_dequeue(struct Qdisc *sch)
         while (1) {
                 cl = list_first_entry(&q->active, struct drr_class, alist);
                 skb = cl->qdisc->ops->peek(cl->qdisc);
-                if (skb == NULL)
+                if (skb == NULL) {
+                        qdisc_warn_nonwc(__func__, cl->qdisc);
                         goto out;
+                }
 
                 len = qdisc_pkt_len(skb);
                 if (len <= cl->deficit) {