Merge "ARM: 7809/1: perf: fix event validation for software group leaders"

arch/arm/kernel/perf_event.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -277,6 +277,9 @@ validate_event(struct pmu_hw_events *hw_events,
		struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
		struct pmu *leader_pmu = event->group_leader->pmu;

		if (is_software_event(event))
		return 1;

		if (event->pmu != leader_pmu \|\| event->state < PERF_EVENT_STATE_OFF)
		return 1;