afs: move afs_xattr_handlers to .rodata

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

Cc: David Howells <dhowells@redhat.com>
Cc: Marc Dionne <marc.dionne@auristor.com>
Cc: linux-afs@lists.infradead.org
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Link: https://lore.kernel.org/r/20230930050033.41174-5-wedsonaf@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index da73b97e19a9af4026c91eecdb20ac0f4fe7b228..23e2cc4efe414df288c714a486d5fa8f4a6b627c 100644 (file)
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -1541,7 +1541,7 @@ int afs_launder_folio(struct folio *);
 /*
  * xattr.c
  */
-extern const struct xattr_handler *afs_xattr_handlers[];
+extern const struct xattr_handler * const afs_xattr_handlers[];
 
 /*
  * yfsclient.c

diff --git a/fs/afs/xattr.c b/fs/afs/xattr.c
index 9048d8ccc715f5efe001ad99ceca5a4fdb32cee6..64b2c0224f62d5fde3fc716780b17ef07d5c28b7 100644 (file)
--- a/fs/afs/xattr.c
+++ b/fs/afs/xattr.c
@@ -353,7 +353,7 @@ static const struct xattr_handler afs_xattr_afs_volume_handler = {
        .get    = afs_xattr_get_volume,
 };
 
-const struct xattr_handler *afs_xattr_handlers[] = {
+const struct xattr_handler * const afs_xattr_handlers[] = {
        &afs_xattr_afs_acl_handler,
        &afs_xattr_afs_cell_handler,
        &afs_xattr_afs_fid_handler,