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block: remove WARN_ON() from bd_link_disk_holder 

Since commit 83cbce957446("block: add error handling for device_add_disk /
add_disk"), bdev->bd_holder_dir can not be empty now, so remove WARN_ON()
from bd_link_disk_holder.

Signed-off-by: Li Nan <linan122@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220623074100.2251301-1-linan122@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Li Nan 2022-06-23 15:41:00 +08:00 committed by Jens Axboe
parent 2645672ffe
commit ca2a3343d6
1 changed files with 0 additions and 4 deletions
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4
block/holder.c
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@ -79,10 +79,6 @@ int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk)
WARN_ON_ONCE(!bdev->bd_holder);
/* FIXME: remove the following once add_disk() handles errors */
if (WARN_ON(!bdev->bd_holder_dir))
goto out_unlock;
holder = bd_find_holder_disk(bdev, disk);
if (holder) {
holder->refcnt++;