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nvdimm/btt: add error handling support for add_disk() 

We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-3-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Luis Chamberlain 2021-11-03 16:04:25 -07:00 committed by Jens Axboe
parent 2762ff06aa
commit 16be7974ff
1 changed files with 3 additions and 1 deletions
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4
drivers/nvdimm/btt.c
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@ -1541,7 +1541,9 @@ static int btt_blk_init(struct btt *btt)
}
set_capacity(btt->btt_disk, btt->nlba * btt->sector_size >> 9);
device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL);
rc = device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL);
if (rc)
goto out_cleanup_disk;
btt->nd_btt->size = btt->nlba * (u64)btt->sector_size;
nvdimm_check_and_set_ro(btt->btt_disk);