docs: Add a basic security document

[platform/kernel/u-boot.git] / net / ping.h

diff --git a/net/ping.h b/net/ping.h
index 8c71be4..7b6f4e5 100644 (file)
--- a/net/ping.h
+++ b/net/ping.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  *     Copied from Linux Monitor (LiMon) - Networking.
  *