Hi Dan Carpenter,
Thanks for your instructions. I regenerated the patch.
Please check it.
>From 3149865e0d118b939c27659a4e4c884eaa6b3a4c Mon Sep 17 00:00:00 2001
From: Wang Sheng-Hui <crosslonelyover@xxxxxxxxx>
Date: Sat, 10 Jul 2010 22:07:37 -0400
Subject: [PATCH] avoid NULL deference in ext2_xattr_get
Signed-off-by: Wang Sheng-Hui <crosslonelyover@xxxxxxxxx>
---
fs/ext2/xattr.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 7c39157..81ec1c6 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -156,11 +156,12 @@ ext2_xattr_get(struct inode *inode, int name_index, const char *name,
char *end;
int error;
+ if (name == NULL)
+ return -EINVAL;
+
ea_idebug(inode, "name=%d.%s, buffer=%p, buffer_size=%ld",
name_index, name, buffer, (long)buffer_size);
- if (name == NULL)
- return -EINVAL;
down_read(&EXT2_I(inode)->xattr_sem);
error = -ENODATA;
if (!EXT2_I(inode)->i_file_acl)
--
1.7.1.1
--
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