[PATCH 01/11] block: add a sanity check for a live disk in del_gendisk

[Christoph Hellwig <hch@xxxxxx>]

Add a sanity check to del_gendisk to do nothing when the disk wasn't
successfully added.  This papers over the complete lack of add_disk
error handling, which is about to get fixed gradually.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 block/genhd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/genhd.c b/block/genhd.c
index 02cd9ec93e52..935f74c652f1 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -579,7 +579,7 @@ void del_gendisk(struct gendisk *disk)
 {
 	might_sleep();
 
-	if (WARN_ON_ONCE(!disk->queue))
+	if (WARN_ON_ONCE(!disk_live(disk)))
 		return;
 
 	blk_integrity_del(disk);
-- 
2.30.2