diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c
index f993510171829289ddddbb7aea53a15aae6cbe92..36ba7324f685385bbd6b0c4732ff233c70238332 100644
--- a/block/bfq-cgroup.c
+++ b/block/bfq-cgroup.c
@@ -613,6 +613,10 @@ struct bfq_group *bfq_bio_bfqg(struct bfq_data *bfqd, struct bio *bio)
 	struct bfq_group *bfqg;
 
 	while (blkg) {
+		if (!blkg->online) {
+			blkg = blkg->parent;
+			continue;
+		}
 		bfqg = blkg_to_bfqg(blkg);
 		if (bfqg->online) {
 			bio_associate_blkg_from_css(bio, &blkg->blkcg->css);