[PATCH 04/10] nvdimm/btt: do not call del_gendisk() if not needed

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We know we don't need del_gendisk() if we haven't added
the disk, so just skip it. This should fix a bug on older
kernels, as del_gendisk() became able to deal with
disks not added only recently, after the patch titled
"block: add flag for add_disk() completion notation".

Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
---
 drivers/nvdimm/btt.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 92dec4952297..3fd1bdb9fc05 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;
 		}
-- 
2.30.2




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