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-rw-r--r--tools/testing/selftests/bpf/prog_tests/flow_dissector.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
index 6b3078dd5645..cfcc90cb7ffb 100644
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
#include <test_progs.h>
#include <network_helpers.h>
-#include <error.h>
#include <linux/if_tun.h>
#include <sys/uio.h>