1 files changed, 11 insertions, 2 deletions

diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c
index 02244faa539..71c824ce020 100644
--- a/arch/arm/kernel/perf_event_cpu.c
+++ b/arch/arm/kernel/perf_event_cpu.c
@@ -285,7 +285,6 @@ static int __devinit cpu_pmu_device_probe(struct platform_device *pdev)
         cpu_pmu = pmu;
         cpu_pmu->plat_device = pdev;
         cpu_pmu_init(cpu_pmu);
-        register_cpu_notifier(&cpu_pmu_hotplug_notifier);
         armpmu_register(cpu_pmu, cpu_pmu->name, PERF_TYPE_RAW);
 
         return 0;
@@ -303,6 +302,16 @@ static struct platform_driver cpu_pmu_driver = {
 
 static int __init register_pmu_driver(void)
 {
-        return platform_driver_register(&cpu_pmu_driver);
+        int err;
+
+        err = register_cpu_notifier(&cpu_pmu_hotplug_notifier);
+        if (err)
+                return err;
+
+        err = platform_driver_register(&cpu_pmu_driver);
+        if (err)
+                unregister_cpu_notifier(&cpu_pmu_hotplug_notifier);
+
+        return err;
 }
 device_initcall(register_pmu_driver);