License cleanup: add SPDX GPL-2.0 license identifier to files with no license

[linux-block.git] / include / xen / interface / io / ring.h

diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h
index e547088ceb0e589b64cb58dff7dcf517b8c6ab82..3f40501fc60b1d9f95a7455ed0d29f97d8bd9571 100644 (file)
--- a/include/xen/interface/io/ring.h
+++ b/include/xen/interface/io/ring.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /******************************************************************************
  * ring.h
  *