linux-kernel - [PATCH] ASoC: rockchip: i2s: Fix missing clk_disable_unprepare() in rockchip_i2s

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Message-Id: <20220307083553.26009-1-linmq006@gmail.com>
Date:   Mon,  7 Mar 2022 08:35:52 +0000
From:   Miaoqian Lin <linmq006@...il.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Jianqun <jay.xu@...k-chips.com>, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     linmq006@...il.com
Subject: [PATCH] ASoC: rockchip: i2s: Fix missing clk_disable_unprepare() in rockchip_i2s_probe

Fix the missing clk_disable_unprepare() before return
from rockchip_i2s_probe() in the error handling case.

Fixes: 01605ad12875 ("ASoC: rockchip-i2s: enable "hclk" for rockchip I2S controller")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
---
 sound/soc/rockchip/rockchip_i2s.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index a6d7656c206e..4ce5d2579387 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -716,19 +716,23 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
 	i2s->mclk = devm_clk_get(&pdev->dev, "i2s_clk");
 	if (IS_ERR(i2s->mclk)) {
 		dev_err(&pdev->dev, "Can't retrieve i2s master clock\n");
-		return PTR_ERR(i2s->mclk);
+		ret = PTR_ERR(i2s->mclk);
+		goto err_clk;
 	}
 
 	regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
-	if (IS_ERR(regs))
-		return PTR_ERR(regs);
+	if (IS_ERR(regs)) {
+		ret = PTR_ERR(regs);
+		goto err_clk;
+	}
 
 	i2s->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
 					    &rockchip_i2s_regmap_config);
 	if (IS_ERR(i2s->regmap)) {
 		dev_err(&pdev->dev,
 			"Failed to initialise managed register map\n");
-		return PTR_ERR(i2s->regmap);
+		ret = PTR_ERR(i2s->regmap);
+		goto err_clk;
 	}
 
 	i2s->bclk_ratio = 64;
@@ -768,7 +772,8 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
 		i2s_runtime_suspend(&pdev->dev);
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
-
+err_clk:
+	clk_disable_unprepare(i2s->hclk);
 	return ret;
 }
 
-- 
2.17.1