linux-kernel - [PATCH -next] iio: adc: add missing clk_disable_unprepare() in rzg2l_adc_pm_runtime

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Date:   Thu, 19 Aug 2021 21:24:16 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <linux-iio@...r.kernel.org>
CC:     <prabhakar.mahadev-lad.rj@...renesas.com>, <jic23@...nel.org>
Subject: [PATCH -next] iio: adc: add missing clk_disable_unprepare() in rzg2l_adc_pm_runtime_resume()

Add clk_disable_unprepare() on error path in rzg2l_adc_pm_runtime_resume().

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/iio/adc/rzg2l_adc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/rzg2l_adc.c b/drivers/iio/adc/rzg2l_adc.c
index 9996d5eef289..c38f43ea624f 100644
--- a/drivers/iio/adc/rzg2l_adc.c
+++ b/drivers/iio/adc/rzg2l_adc.c
@@ -570,8 +570,10 @@ static int __maybe_unused rzg2l_adc_pm_runtime_resume(struct device *dev)
 		return ret;
 
 	ret = clk_prepare_enable(adc->adclk);
-	if (ret)
+	if (ret) {
+		clk_disable_unprepare(adc->pclk);
 		return ret;
+	}
 
 	rzg2l_adc_pwr(adc, true);
 
-- 
2.25.1