From: Shida Zhang <zhangshida@kylinos.cn>
Date: Tue, 27 Jan 2026 08:21:11 +0000 (+0800)
Subject: bcache: remove dead code in detached_dev_do_request
X-Git-Tag: v6.19-rc8~14^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ea84d7a92cb0b30aaf7d2066a69e28e27932332;p=thirdparty%2Fkernel%2Flinux.git

bcache: remove dead code in detached_dev_do_request

bio_alloc_clone() with GFP_NOIO and a mempool will not return NULL.
Remove the unnecessary NULL check.

Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Shida Zhang <zhangshida@kylinos.cn>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index a02aecac05cd..c2f38907a2a3 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -1113,11 +1113,6 @@ static void detached_dev_do_request(struct bcache_device *d,
 
 	clone_bio = bio_alloc_clone(dc->bdev, orig_bio, GFP_NOIO,
 				    &d->bio_detached);
-	if (!clone_bio) {
-		orig_bio->bi_status = BLK_STS_RESOURCE;
-		bio_endio(orig_bio);
-		return;
-	}
 
 	ddip = container_of(clone_bio, struct detached_dev_io_private, bio);
 	/* Count on the bcache device */