drm/vc4: add extcon hdmi connection uevent

[platform/kernel/linux-rpi.git] / drivers / perf / arm_dmc620_pmu.c

diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c
index 280a6ae..54aa465 100644 (file)
--- a/drivers/perf/arm_dmc620_pmu.c
+++ b/drivers/perf/arm_dmc620_pmu.c
@@ -725,6 +725,8 @@ static struct platform_driver dmc620_pmu_driver = {
 
 static int __init dmc620_pmu_init(void)
 {
+       int ret;
+
        cpuhp_state_num = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN,
                                      DMC620_DRVNAME,
                                      NULL,
@@ -732,7 +734,11 @@ static int __init dmc620_pmu_init(void)
        if (cpuhp_state_num < 0)
                return cpuhp_state_num;
 
-       return platform_driver_register(&dmc620_pmu_driver);
+       ret = platform_driver_register(&dmc620_pmu_driver);
+       if (ret)
+               cpuhp_remove_multi_state(cpuhp_state_num);
+
+       return ret;
 }
 
 static void __exit dmc620_pmu_exit(void)