linux-kernel - [PATCH AUTOSEL 4.14 51/66] cpufreq: mediatek: add missing platform_driver_unregister() on error in mtk_cpufreq_driver

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Date:   Tue, 22 Dec 2020 21:22:37 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Qinglang Miao <miaoqinglang@...wei.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Sasha Levin <sashal@...nel.org>, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH AUTOSEL 4.14 51/66] cpufreq: mediatek: add missing platform_driver_unregister() on error in mtk_cpufreq_driver_init

From: Qinglang Miao <miaoqinglang@...wei.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@...wei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.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