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-rw-r--r--tools/testing/selftests/networking/timestamping/hwtstamp_config.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/networking/timestamping/hwtstamp_config.c b/tools/testing/selftests/networking/timestamping/hwtstamp_config.c
index e8b685a7f15f..e1fdee841021 100644
--- a/tools/testing/selftests/networking/timestamping/hwtstamp_config.c
+++ b/tools/testing/selftests/networking/timestamping/hwtstamp_config.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/* Test program for SIOC{G,S}HWTSTAMP
* Copyright 2013 Solarflare Communications
* Author: Ben Hutchings