linux-kernel - [PATCH 5.14 730/849] nvdimm/btt: do not call del

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Message-Id: <20211115165444.946895669@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 18:03:33 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Williams <dan.j.williams@...el.com>,
        Christoph Hellwig <hch@....de>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Jens Axboe <axboe@...nel.dk>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.14 730/849] nvdimm/btt: do not call del_gendisk() if not needed

From: Luis Chamberlain <mcgrof@...nel.org>

[ Upstream commit 3aefb5ee843fbe4789d03bb181e190d462df95e4 ]

del_gendisk() should not called if the disk has not been added. Fix this.

Fixes: 41cd8b70c37a ("libnvdimm, btt: add support for blk integrity")
Reviewed-by: Dan Williams <dan.j.williams@...el.com>
Reviewed-by: Christoph Hellwig <hch@....de>
Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
Link: https://lore.kernel.org/r/20211103165843.1402142-1-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/nvdimm/btt.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 92dec49522972..3fd1bdb9fc05b 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1538,7 +1538,6 @@ static int btt_blk_init(struct btt *btt)
 		int rc = nd_integrity_init(btt->btt_disk, btt_meta_size(btt));
 
 		if (rc) {
-			del_gendisk(btt->btt_disk);
 			blk_cleanup_disk(btt->btt_disk);
 			return rc;
 		}
-- 
2.33.0