diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index d352f3a..2577ef1 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *  linux/fs/hpfs/hpfs_fn.h
  *