From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Piggin <npiggin@suse.de>
Subject: [patch] block: bd_start_claiming fix module refcount
Date: Wed, 26 May 2010 01:50:21 +1000
Message-ID: <20100525155021.GC20853@laptop>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
To: linux-fsdevel@vger.kernel.org, Tejun Heo <tj@kernel.org>,
	Jens Axboe <jens.axboe@oracle.com>,
	Andrew Morton <akpm@linux-foundation.org>
Return-path: <linux-fsdevel-owner@vger.kernel.org>
Received: from cantor2.suse.de ([195.135.220.15]:60252 "EHLO mx2.suse.de"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1753205Ab0EYPuZ (ORCPT <rfc822;linux-fsdevel@vger.kernel.org>);
	Tue, 25 May 2010 11:50:25 -0400
Content-Disposition: inline
Sender: linux-fsdevel-owner@vger.kernel.org
List-ID: <linux-fsdevel.vger.kernel.org>


bd_start_claiming has an unbalanced module_put introduced in 6b4517a79.

Signed-off-by: Nick Piggin <npiggin@suse.de>
---
Index: linux-2.6/fs/block_dev.c
===================================================================
--- linux-2.6.orig/fs/block_dev.c
+++ linux-2.6/fs/block_dev.c
@@ -738,6 +738,7 @@ static struct block_device *bd_start_cla
 		return ERR_PTR(-ENXIO);
 
 	whole = bdget_disk(disk, 0);
+	module_put(disk->fops->owner);
 	put_disk(disk);
 	if (!whole)
 		return ERR_PTR(-ENOMEM);