[PATCH v3] nvdimm/btt: do not call del_gendisk() if not needed

From: Luis Chamberlain
Date: Wed Nov 03 2021 - 12:58:50 EST


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>
---

This v3 just makes it clear that this is just wrong regarless of the
kernel, and adds Christoph's Reviewed-by tag.

drivers/nvdimm/btt.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index f10a50ffa047..a62f23b945f1 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1537,7 +1537,6 @@ 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