linux-kernel - [PATCH 26/29] xfs: move xfs_xattr

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Date:   Sat, 30 Sep 2023 02:00:30 -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>,
        "Darrick J. Wong" <djwong@...nel.org>, linux-xfs@...r.kernel.org
Subject: [PATCH 26/29] xfs: move xfs_xattr_handlers to .rodata

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

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

Cc: "Darrick J. Wong" <djwong@...nel.org>
Cc: linux-xfs@...r.kernel.org
Signed-off-by: Wedson Almeida Filho <walmeida@...rosoft.com>
---
 fs/xfs/xfs_xattr.c | 2 +-
 fs/xfs/xfs_xattr.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index 43e5c219aaed..77418bcd6f3a 100644
--- a/fs/xfs/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
@@ -175,7 +175,7 @@ static const struct xattr_handler xfs_xattr_security_handler = {
 	.set	= xfs_xattr_set,
 };
 
-const struct xattr_handler *xfs_xattr_handlers[] = {
+const struct xattr_handler * const xfs_xattr_handlers[] = {
 	&xfs_xattr_user_handler,
 	&xfs_xattr_trusted_handler,
 	&xfs_xattr_security_handler,
diff --git a/fs/xfs/xfs_xattr.h b/fs/xfs/xfs_xattr.h
index 2b09133b1b9b..cec766cad26c 100644
--- a/fs/xfs/xfs_xattr.h
+++ b/fs/xfs/xfs_xattr.h
@@ -8,6 +8,6 @@
 
 int xfs_attr_change(struct xfs_da_args *args);
 
-extern const struct xattr_handler *xfs_xattr_handlers[];
+extern const struct xattr_handler * const xfs_xattr_handlers[];
 
 #endif /* __XFS_XATTR_H__ */
-- 
2.34.1