linux-kernel - [34-longterm 055/179] fat: Fix corrupt inode flags when remove ATTR

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Message-ID: <1337048075-6132-56-git-send-email-paul.gortmaker@windriver.com>
Date:	Mon, 14 May 2012 22:12:31 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	<stable@...nel.org>, <linux-kernel@...r.kernel.org>
Subject: [34-longterm 055/179] fat: Fix corrupt inode flags when remove ATTR_SYS flag

From: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>

                   -------------------
    This is a commit scheduled for the next v2.6.34 longterm release.
    http://git.kernel.org/?p=linux/kernel/git/paulg/longterm-queue-2.6.34.git
    If you see a problem with using this for longterm, please comment.
                   -------------------

commit 1adffbae22332bb558c2a29de19d9aca391869f6 upstream.

We are clearly missing '~' in fat_ioctl_set_attributes().

Reported-by: Dmitry Dmitriev <dimondmm@...dex.ru>
Signed-off-by: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 fs/fat/file.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fat/file.c b/fs/fat/file.c
index e8c159d..279937b 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -101,7 +101,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
 		if (attr & ATTR_SYS)
 			inode->i_flags |= S_IMMUTABLE;
 		else
-			inode->i_flags &= S_IMMUTABLE;
+			inode->i_flags &= ~S_IMMUTABLE;
 	}
 
 	fat_save_attrs(inode, attr);
-- 
1.7.9.6

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