cpufreq: mediatek: add missing platform_driver_unregister() on error in mtk_cpufreq_d...

Add the missing platform_driver_unregister() before return from
mtk_cpufreq_driver_init in the error handling case when failed
to register mtk-cpufreq platform device

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index c09bff8..1aa5120 100644 (file)
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -573,6 +573,7 @@ static int __init mtk_cpufreq_driver_init(void)
        pdev = platform_device_register_simple("mtk-cpufreq", -1, NULL, 0);
        if (IS_ERR(pdev)) {
                pr_err("failed to register mtk-cpufreq platform device\n");
+               platform_driver_unregister(&mtk_cpufreq_platdrv);
                return PTR_ERR(pdev);
        }