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-rw-r--r--tools/testing/selftests/net/reuseport_bpf_cpu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/reuseport_bpf_cpu.c b/tools/testing/selftests/net/reuseport_bpf_cpu.c
index b23d6f54de7b..2d646174729f 100644
--- a/tools/testing/selftests/net/reuseport_bpf_cpu.c
+++ b/tools/testing/selftests/net/reuseport_bpf_cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Test functionality of BPF filters with SO_REUSEPORT. This program creates
* an SO_REUSEPORT receiver group containing one socket per CPU core. It then