[PATCH v1] perf pmu: Fix aarch64 build

[Ian Rogers]

ARM64 overrides a weak function but a previous change had broken the
build.

Fixes: 8cefeb8bd336 ("perf pmu-events: Introduce pmu_metrics_table")
Signed-off-by: Ian Rogers <irogers at google.com>
---
 tools/perf/arch/arm64/util/pmu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/arch/arm64/util/pmu.c b/tools/perf/arch/arm64/util/pmu.c
index 2779840d8896..fa143acb4c8d 100644
--- a/tools/perf/arch/arm64/util/pmu.c
+++ b/tools/perf/arch/arm64/util/pmu.c
@@ -22,6 +22,8 @@ static struct perf_pmu *pmu__find_core_pmu(void)
 			return NULL;
 
 		return pmu;
+	}
+	return NULL;
 }
 
 const struct pmu_metrics_table *pmu_metrics_table__find(void)
-- 
2.39.1.519.gcb327c4b5f-goog