event->destroy = hw_perf_event_destroy;
if (!atomic_inc_not_zero(&active_events)) {
- if (atomic_read(&active_events) > armpmu->num_events) {
- atomic_dec(&active_events);
- return -ENOSPC;
- }
-
mutex_lock(&pmu_reserve_mutex);
if (atomic_read(&active_events) == 0) {
err = armpmu_reserve_hardware();