block: remove the GENHD_FL_HIDDEN check in blkdev_get_no_open

Hidden gendisks never hash the block device inode, so this can't happen.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211122130625.1136848-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/bdev.c b/block/bdev.c
index dd84961..e9ada04 100644 (file)
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -750,14 +750,6 @@ struct block_device *blkdev_get_no_open(dev_t dev)
        if (!kobject_get_unless_zero(&bdev->bd_device.kobj))
                bdev = NULL;
        iput(inode);
-
-       if (!bdev)
-               return NULL;
-       if ((bdev->bd_disk->flags & GENHD_FL_HIDDEN)) {
-               put_device(&bdev->bd_device);
-               return NULL;
-       }
-
        return bdev;
 }