linux-kernel - [046/146] ext4: release page cache in ext4_mb_load

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Message-Id: <20110601080307.908230547@blue.kroah.org>
Date:	Wed, 01 Jun 2011 16:59:42 +0900
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Yang Ruirui <ruirui.r.yang@...to.com>,
	"Theodore Tso" <tytso@....edu>, Greg Kroah-Hartman <gregkh@...e.de>
Subject: [046/146] ext4: release page cache in ext4_mb_load_buddy error path

2.6.38-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Yang Ruirui <ruirui.r.yang@...to.com>

commit 26626f1172fb4f3f323239a6a5cf4e082643fa46 upstream.

Add missing page_cache_release in the error path of ext4_mb_load_buddy

Signed-off-by: Yang Ruirui <ruirui.r.yang@...to.com>
Signed-off-by: "Theodore Ts'o" <tytso@....edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 fs/ext4/mballoc.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1268,6 +1268,8 @@ repeat_load_buddy:
 	return 0;
 
 err:
+	if (page)
+		page_cache_release(page);
 	if (e4b->bd_bitmap_page)
 		page_cache_release(e4b->bd_bitmap_page);
 	if (e4b->bd_buddy_page)


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