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.

Li Nan committed 4 years ago

Commit ca2a3341 parent 26456721 file · +0 −4Browse files

Unified · Split

block/holder.c+0−4

@@ -79,10 +79,6 @@ int bd_link_disk_holder(struct block_device bdev, struct gendisk disk) · 78 unmodified lines
79		79
80	WARN_ON_ONCE(!bdev->bd_holder);	80	WARN_ON_ONCE(!bdev->bd_holder);
81		81
82	/* FIXME: remove the following once add_disk() handles errors */
83	if (WARN_ON(!bdev->bd_holder_dir))
84	goto out_unlock;
85
86	holder = bd_find_holder_disk(bdev, disk);	82	holder = bd_find_holder_disk(bdev, disk);
87	if (holder) {	83	if (holder) {
88	holder->refcnt++;	84	holder->refcnt++;