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-rw-r--r--samples/bpf/sock_example.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/samples/bpf/sock_example.h b/samples/bpf/sock_example.h
index d8014065d479..772d5dad8465 100644
--- a/samples/bpf/sock_example.h
+++ b/samples/bpf/sock_example.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#include <stdlib.h>
#include <stdio.h>
#include <linux/unistd.h>