[PATCH 5.14 730/849] nvdimm/btt: do not call del_gendisk() if not needed

From: Greg Kroah-Hartman
Date: Mon Nov 15 2021 - 18:16:59 EST


From: Luis Chamberlain <mcgrof@xxxxxxxxxx>

[ 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@xxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20211103165843.1402142-1-mcgrof@xxxxxxxxxx
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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