diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index b4c4b4808c6c..3164e3177965 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -648,6 +648,8 @@ retry:
 					sched_data->service_tree[i].wsum;
 			}
 		}
+		if (!wsum)
+			continue;
 		limit = DIV_ROUND_CLOSEST(limit * entity->weight, wsum);
 		if (entity->allocated >= limit) {
 			bfq_log_bfqq(bfqq->bfqd, bfqq,