linux-kernel - [PATCH -next v2] ASoC: Intel: Fix missing clk_disable_unprepare() on err in platform_clock

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Message-ID: <20220719013628.40153-1-zhangzekun11@huawei.com>
Date:   Tue, 19 Jul 2022 01:36:28 +0000
From:   Zhang Zekun <zhangzekun11@...wei.com>
To:     <cezary.rojewski@...el.com>,
        <pierre-louis.bossart@...ux.intel.com>,
        <liam.r.girdwood@...ux.intel.com>,
        <peter.ujfalusi@...ux.intel.com>,
        <yung-chuan.liao@...ux.intel.com>,
        <ranjani.sridharan@...ux.intel.com>, <kai.vehmanen@...ux.intel.com>
CC:     <linux-kernel@...r.kernel.org>, <xuqiang36@...wei.com>,
        <zhangzekun11@...wei.com>
Subject: [PATCH -next v2] ASoC: Intel: Fix missing clk_disable_unprepare() on err in platform_clock_control()

Fix the missing clk_disable_unprepare() before return
from platform_clock_control() in error handling path.

Fixes: 9a87fc1e0619 ("ASoC: Intel: bytcr_wm5102: Add machine driver for BYT/WM5102")
Signed-off-by: Zhang Zekun <zhangzekun11@...wei.com>
---
 sound/soc/intel/boards/bytcr_wm5102.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/intel/boards/bytcr_wm5102.c b/sound/soc/intel/boards/bytcr_wm5102.c
index 45a6805787f5..3e3cdee4b1ce 100644
--- a/sound/soc/intel/boards/bytcr_wm5102.c
+++ b/sound/soc/intel/boards/bytcr_wm5102.c
@@ -111,6 +111,7 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w,
 		ret = byt_wm5102_prepare_and_enable_pll1(codec_dai, 48000);
 		if (ret) {
 			dev_err(card->dev, "Error setting codec sysclk: %d\n", ret);
+			clk_disable_unprepare(priv->mclk);
 			return ret;
 		}
 	} else {
-- 
2.17.1