diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index e508066d3d64f7df4bf59258471256b784f70670..c475379199b1d149adc4f8e33e00f1d544e4b595 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -402,6 +402,9 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu) int i, err, irq, irqs; struct platform_device *pmu_device = armpmu->plat_device; + if (!pmu_device) + return -ENODEV; + err = reserve_pmu(armpmu->type); if (err) { pr_warning("unable to reserve pmu\n");