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block/rsxx: 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.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Luis Chamberlain 2021-09-27 15:01:53 -07:00 committed by Jens Axboe
parent 7b50562756
commit 54494d1003
2 changed files with 12 additions and 4 deletions
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4
drivers/block/rsxx/core.c
View File

@ -935,7 +935,9 @@ static int rsxx_pci_probe(struct pci_dev *dev,
card->size8 = 0;
}
rsxx_attach_dev(card);
st = rsxx_attach_dev(card);
if (st)
goto failed_create_dev;
/************* Setup Debugfs *************/
rsxx_debugfs_dev_new(card);

10
drivers/block/rsxx/dev.c
View File

@ -191,6 +191,8 @@ static bool rsxx_discard_supported(struct rsxx_cardinfo *card)
int rsxx_attach_dev(struct rsxx_cardinfo *card)
{
int err = 0;
mutex_lock(&card->dev_lock);
/* The block device requires the stripe size from the config. */
@ -199,13 +201,17 @@ int rsxx_attach_dev(struct rsxx_cardinfo *card)
set_capacity(card->gendisk, card->size8 >> 9);
else
set_capacity(card->gendisk, 0);
device_add_disk(CARD_TO_DEV(card), card->gendisk, NULL);
err = device_add_disk(CARD_TO_DEV(card), card->gendisk, NULL);
if (err == 0)
card->bdev_attached = 1;
}
mutex_unlock(&card->dev_lock);
return 0;
if (err)
blk_cleanup_disk(card->gendisk);
return err;
}
void rsxx_detach_dev(struct rsxx_cardinfo *card)