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: NLuis Chamberlain <mcgrof@kernel.org>
Reviewed-by: NHannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20210818144542.19305-11-hch@lst.deSigned-off-by: NJens Axboe <axboe@kernel.dk>