From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Sun, 20 May 2007 14:39:40 +0000 (+0900)
Subject: Fix "fs: convert core functions to zero_user_page"
X-Git-Tag: v2.6.22-rc3~158
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=ff1be9ad61e3e17ba83702d8ed0b534e5b8ee15c;p=linux-2.6-omap-h63xx.git

Fix "fs: convert core functions to zero_user_page"

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

This became a cause of fatfs corruption.

Cc: Nate Diller <nate.diller@gmail.com>
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/buffer.c b/fs/buffer.c
index 49590d590d7..aa68206bd51 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2101,7 +2101,7 @@ int cont_prepare_write(struct page *page, unsigned offset,
 						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);