releases/5.10.50/asoc-rk3328-fix-missing-clk_disable_unprepare-on-err.patch

From a32afbf903854ce2621578fe2fcc60f8d708e7a2 Mon Sep 17 00:00:00 2001
From: Sasha Levin <sashal@kernel.org>
Date: Tue, 18 May 2021 15:58:47 +0800
Subject: ASoC: rk3328: fix missing clk_disable_unprepare() on error in
 rk3328_platform_probe()

From: Yang Yingliang <yangyingliang@huawei.com>

[ Upstream commit d14eece945a8068a017995f7512ea2beac21e34b ]

Fix the missing clk_disable_unprepare() before return
from rk3328_platform_probe() in the error handling case.

Fixes: c32759035ad2 ("ASoC: rockchip: support ACODEC for rk3328")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210518075847.1116983-1-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/rk3328_codec.c | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/rk3328_codec.c b/sound/soc/codecs/rk3328_codec.c
index 940a2fa933ed..aed18cbb9f68 100644
--- a/sound/soc/codecs/rk3328_codec.c
+++ b/sound/soc/codecs/rk3328_codec.c
@@ -474,7 +474,8 @@ static int rk3328_platform_probe(struct platform_device *pdev)
 	rk3328->pclk = devm_clk_get(&pdev->dev, "pclk");
 	if (IS_ERR(rk3328->pclk)) {
 		dev_err(&pdev->dev, "can't get acodec pclk\n");
-		return PTR_ERR(rk3328->pclk);
+		ret = PTR_ERR(rk3328->pclk);
+		goto err_unprepare_mclk;
 	}
 
 	ret = clk_prepare_enable(rk3328->pclk);
@@ -484,19 +485,34 @@ static int rk3328_platform_probe(struct platform_device *pdev)
 	}
 
 	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
+	if (IS_ERR(base)) {
+		ret = PTR_ERR(base);
+		goto err_unprepare_pclk;
+	}
 
 	rk3328->regmap = devm_regmap_init_mmio(&pdev->dev, base,
 					       &rk3328_codec_regmap_config);
-	if (IS_ERR(rk3328->regmap))
-		return PTR_ERR(rk3328->regmap);
+	if (IS_ERR(rk3328->regmap)) {
+		ret = PTR_ERR(rk3328->regmap);
+		goto err_unprepare_pclk;
+	}
 
 	platform_set_drvdata(pdev, rk3328);
 
-	return devm_snd_soc_register_component(&pdev->dev, &soc_codec_rk3328,
+	ret = devm_snd_soc_register_component(&pdev->dev, &soc_codec_rk3328,
 					       rk3328_dai,
 					       ARRAY_SIZE(rk3328_dai));
+	if (ret)
+		goto err_unprepare_pclk;
+
+	return 0;
+
+err_unprepare_pclk:
+	clk_disable_unprepare(rk3328->pclk);
+
+err_unprepare_mclk:
+	clk_disable_unprepare(rk3328->mclk);
+	return ret;
 }
 
 static const struct of_device_id rk3328_codec_of_match[] = {
-- 
2.30.2