diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 9dca4da..7c107b3 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  *  inode.c - part of debugfs, a tiny little debug file system
  *