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Message-ID: <87abvzy2xf.fsf@duaron.myhome.or.jp>
Date:	Sun, 20 May 2007 23:39:40 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, nate.diller@...il.com
Subject: [PATCH] Fix "fs: convert core functions to zero_user_page"


The bug introduced by 01f2705daf5a36208e69d7cf95db9c330f843af6.
It misses to convert the first argument, it should be "new_page".

This became the cause of fatfs corruption.

Cc: Nate Diller <nate.diller@...il.com>
Signed-off-by: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
---

 fs/buffer.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN fs/buffer.c~fix-zero_user_page-conversion fs/buffer.c
--- linux-2.6/fs/buffer.c~fix-zero_user_page-conversion	2007-05-20 18:36:02.000000000 +0900
+++ linux-2.6-hirofumi/fs/buffer.c	2007-05-20 18:36:21.000000000 +0900
@@ -2109,7 +2109,7 @@ int cont_prepare_write(struct page *page
 						PAGE_CACHE_SIZE, get_block);
 		if (status)
 			goto out_unmap;
-		zero_user_page(page, zerofrom, PAGE_CACHE_SIZE - zerofrom,
+		zero_user_page(new_page, zerofrom, PAGE_CACHE_SIZE - zerofrom,
 				KM_USER0);
 		generic_commit_write(NULL, new_page, zerofrom, PAGE_CACHE_SIZE);
 		unlock_page(new_page);
_

-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
-
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