selftests/bpf: Fix checkpatch error on empty function parameter

Fix checkpatch error: "ERROR: Bad function definition - void foo()
should probably be void foo(void)". Most replacements are done by
the following command:

  sed -i 's#\([a-z]\)()$#\1(void)#g' testing/selftests/bpf/benchs/*.c

Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211210141652.877186-3-houtao1@huawei.com

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c
index 3d6082b97a56f..ffe5752f3324b 100644
--- a/tools/testing/selftests/bpf/bench.c
+++ b/tools/testing/selftests/bpf/bench.c
@@ -39,7 +39,7 @@ static int bump_memlock_rlimit(void)
 	return setrlimit(RLIMIT_MEMLOCK, &rlim_new);
 }
 
-void setup_libbpf()
+void setup_libbpf(void)
 {
 	int err;