linux-kernel - [PATCH] ext2: return -ENODATA for NULL i_file_acl in ext2_xattr

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Date:	Tue, 13 Jul 2010 22:55:21 +0800
From:	Wang Sheng-Hui <crosslonelyover@...il.com>
To:	kernel-janitors <kernel-janitors@...r.kernel.org>,
	linux-ext4 <linux-ext4@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] ext2: return -ENODATA for NULL i_file_acl in ext2_xattr_list

 Hi,

In ext2_xattr_list, if (!EXT2_I(inode)->i_file_acl)
is true, we should return -ENODATA instead of 0.
Following patch is against 2.6.35-rc5. Please check
it.

Signed-off-by: Wang Sheng-Hui <crosslonelyover@...il.com>
---
fs/ext2/xattr.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 7c39157..5ecbbd8 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -263,7 +263,7 @@ ext2_xattr_list(struct dentry *dentry, char *buffer,
size_t buffer_size)
buffer, (long)buffer_size);

down_read(&EXT2_I(inode)->xattr_sem);
- error = 0;
+ error = -ENODATA;
if (!EXT2_I(inode)->i_file_acl)
goto cleanup;
ea_idebug(inode, "reading block %d", EXT2_I(inode)->i_file_acl);
-- 
1.7.1.1



-- 
Thanks and Regards,
shenghui

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