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s390/block/scm_blk: add error handling support for add_disk()

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

Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20210927220232.1071926-7-mcgrof@kernel.org
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Luis Chamberlain 2021-09-27 15:02:32 -07:00 committed by Vasily Gorbik
parent 1a5db707c8
commit f367c7d9fb
1 changed files with 6 additions and 1 deletions
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7
drivers/s390/block/scm_blk.c
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@ -495,9 +495,14 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev)
/* 512 byte sectors */
set_capacity(bdev->gendisk, scmdev->size >> 9);
device_add_disk(&scmdev->dev, bdev->gendisk, NULL);
ret = device_add_disk(&scmdev->dev, bdev->gendisk, NULL);
if (ret)
goto out_cleanup_disk;
return 0;
out_cleanup_disk:
blk_cleanup_disk(bdev->gendisk);
out_tag:
blk_mq_free_tag_set(&bdev->tag_set);
out: