treewide: Add SPDX license identifier for more missed files

[thirdparty/linux.git] / net / ipv4 / tunnel4.c

diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c
index 33bf8e9c86630e5bb582bcf9dac803e4a26cf27b..c4b2ccbeba04bb99357687f107ab5b9a27c10df8 100644 (file)
--- a/net/ipv4/tunnel4.c
+++ b/net/ipv4/tunnel4.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /* tunnel4.c: Generic IP tunnel transformer.
  *
  * Copyright (C) 2003 David S. Miller (davem@redhat.com)