diff --git a/include/errno.h b/include/errno.h
index 14ac3cb10b0..39426818e0c 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -1,4 +1,11 @@
+/*
+ * Copyright (C) 2014 Samsung Electronics
+ * Przemyslaw Marczak <p.marczak@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
 #ifndef _ERRNO_H
+#define _ERRNO_H
 
 #include <asm-generic/errno.h>