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-rw-r--r--tools/perf/tests/openat-syscall-all-cpus.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c
index 2006485a2859..53c2273e8859 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -7,7 +7,7 @@
#include "debug.h"
#include "stat.h"
-int test__openat_syscall_event_on_all_cpus(void)
+int test__openat_syscall_event_on_all_cpus(int subtest __maybe_unused)
{
int err = -1, fd, cpu;
struct cpu_map *cpus;