linux-kernel - [PATCH 21/29] orangefs: move orangefs_xattr

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Date:   Sat, 30 Sep 2023 02:00:25 -0300
From:   Wedson Almeida Filho <wedsonaf@...il.com>
To:     Alexander Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>,
        linux-fsdevel@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Wedson Almeida Filho <walmeida@...rosoft.com>,
        Mike Marshall <hubcap@...ibond.com>,
        Martin Brandenburg <martin@...ibond.com>,
        devel@...ts.orangefs.org
Subject: [PATCH 21/29] orangefs: move orangefs_xattr_handlers to .rodata

From: Wedson Almeida Filho <walmeida@...rosoft.com>

This makes it harder for accidental or malicious changes to
orangefs_xattr_handlers at runtime.

Cc: Mike Marshall <hubcap@...ibond.com>
Cc: Martin Brandenburg <martin@...ibond.com>
Cc: devel@...ts.orangefs.org
Signed-off-by: Wedson Almeida Filho <walmeida@...rosoft.com>
---
 fs/orangefs/orangefs-kernel.h | 2 +-
 fs/orangefs/xattr.c           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/orangefs/orangefs-kernel.h b/fs/orangefs/orangefs-kernel.h
index ce20d3443869..e211f29544e5 100644
--- a/fs/orangefs/orangefs-kernel.h
+++ b/fs/orangefs/orangefs-kernel.h
@@ -103,7 +103,7 @@ enum orangefs_vfs_op_states {
 #define ORANGEFS_CACHE_CREATE_FLAGS 0
 #endif
 
-extern const struct xattr_handler *orangefs_xattr_handlers[];
+extern const struct xattr_handler * const orangefs_xattr_handlers[];
 
 extern struct posix_acl *orangefs_get_acl(struct inode *inode, int type, bool rcu);
 extern int orangefs_set_acl(struct mnt_idmap *idmap,
diff --git a/fs/orangefs/xattr.c b/fs/orangefs/xattr.c
index 68b62689a63e..74ef75586f38 100644
--- a/fs/orangefs/xattr.c
+++ b/fs/orangefs/xattr.c
@@ -554,7 +554,7 @@ static const struct xattr_handler orangefs_xattr_default_handler = {
 	.set = orangefs_xattr_set_default,
 };
 
-const struct xattr_handler *orangefs_xattr_handlers[] = {
+const struct xattr_handler * const orangefs_xattr_handlers[] = {
 	&orangefs_xattr_default_handler,
 	NULL
 };
-- 
2.34.1