From: Tiger Yang <tiger.yang@oracle.com>
Date: Thu, 23 Oct 2008 08:34:44 +0000 (+0800)
Subject: ocfs2: add handler_map array bounds checking
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=c988fd045f1195e62c0970384903ab9da26a9359;p=deliverable%2Flinux.git

ocfs2: add handler_map array bounds checking

Make the handler_map array as large as the possible value range to avoid
a fencepost error.

[ Utilize alternate method -- Joel ]

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
---

diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index a9da45bbb9ed..e19980a71a3c 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -78,7 +78,7 @@ struct xattr_handler *ocfs2_xattr_handlers[] = {
 	NULL
 };
 
-static struct xattr_handler *ocfs2_xattr_handler_map[] = {
+static struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = {
 	[OCFS2_XATTR_INDEX_USER]	= &ocfs2_xattr_user_handler,
 	[OCFS2_XATTR_INDEX_TRUSTED]	= &ocfs2_xattr_trusted_handler,
 };