We have already avoided a circular list in bfq_setup_merge (see comments
in bfq_setup_merge() for details), so bfq_queue will not appear in it's
new_bfqq list. Just remove this check.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
 block/bfq-iosched.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 7c91d16dbf6f..89995815dbae 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -5273,8 +5273,6 @@ void bfq_put_cooperator(struct bfq_queue *bfqq)
 	 */
 	__bfqq = bfqq->new_bfqq;
 	while (__bfqq) {
-		if (__bfqq == bfqq)
-			break;
 		next = __bfqq->new_bfqq;
 		bfq_put_queue(__bfqq);
 		__bfqq = next;
-- 
2.30.0