-/* SPDX-License-Identifier: (GPL-2.0 OR LGPL-2.1)
+/* SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
*
* wrapper/random.h
*
- * wrapper around bootid read. Using KALLSYMS to get its address when
- * available, else we need to have a kernel that exports this function to GPL
- * modules.
+ * wrapper around bootid read. Read the boot id through the /proc filesystem.
*
* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/