[PATCH AUTOSEL 4.14 51/66] cpufreq: mediatek: add missing platform_driver_unregister() on error in mtk_cpufreq_driver_init

Sasha Levin
2020-12-23T02:38:16Z

From: Qinglang Miao <miaoqinglang@huawei.com>

[ Upstream commit 2f05c19d9ef4f5a42634f83bdb0db596ffc0dd30 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/cpufreq/mediatek-cpufreq.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index 18c4bd9a5c656..30af84b921130 100644
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -614,6 +614,7 @@ 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);
}

--
2.27.0