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Diffstat (limited to 'drivers/perf/arm_pmu.c')
-rw-r--r--drivers/perf/arm_pmu.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 9694370651fa..59d3980b8ca2 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -400,6 +400,9 @@ validate_group(struct perf_event *event)
if (!validate_event(event->pmu, &fake_pmu, leader))
return -EINVAL;
+ if (event == leader)
+ return 0;
+
for_each_sibling_event(sibling, leader) {
if (!validate_event(event->pmu, &fake_pmu, sibling))
return -EINVAL;
@@ -489,12 +492,7 @@ __hw_perf_event_init(struct perf_event *event)
local64_set(&hwc->period_left, hwc->sample_period);
}
- if (event->group_leader != event) {
- if (validate_group(event) != 0)
- return -EINVAL;
- }
-
- return 0;
+ return validate_group(event);
}
static int armpmu_event_init(struct perf_event *event)