From cf3425707ed9ce0d5ebaba20bc3d22dd39e52f2f Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Wed, 26 May 2010 01:50:21 +1000
Subject: [PATCH] block: bd_start_claiming fix module refcount

bd_start_claiming has an unbalanced module_put introduced in 6b4517a79.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---
 fs/block_dev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 7346c96308a5..204a7632c511 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -734,6 +734,7 @@ static struct block_device *bd_start_claiming(struct block_device *bdev,
 		return ERR_PTR(-ENXIO);
 
 	whole = bdget_disk(disk, 0);
+	module_put(disk->fops->owner);
 	put_disk(disk);
 	if (!whole)
 		return ERR_PTR(-ENOMEM);