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

[mirror_ubuntu-bionic-kernel.git] / include / net / gre.h

diff --git a/include/net/gre.h b/include/net/gre.h
index d25d836c129bf196b4b22a3bbb738192c2812ace..f90585decbce647789d145d48c9ccd6615dc8a49 100644 (file)
--- a/include/net/gre.h
+++ b/include/net/gre.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef __LINUX_GRE_H
 #define __LINUX_GRE_H