linux-kernel - [PATCH] ASoC: msm8916-wcd-digital: Check failure for devm_snd_soc_register

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Date:   Sun,  3 Apr 2022 11:52:39 +0000
From:   Miaoqian Lin <linmq006@...il.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Cc:     linmq006@...il.com
Subject: [PATCH] ASoC: msm8916-wcd-digital: Check failure for devm_snd_soc_register_component

devm_snd_soc_register_component() may fails, we should check the error
and do the corresponding error handling.

Fixes: 150db8c5afa1 ("ASoC: codecs: Add msm8916-wcd digital codec")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
---
 sound/soc/codecs/msm8916-wcd-digital.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c
index 9ad7fc0baf07..20a07c92b2fc 100644
--- a/sound/soc/codecs/msm8916-wcd-digital.c
+++ b/sound/soc/codecs/msm8916-wcd-digital.c
@@ -1206,9 +1206,16 @@ static int msm8916_wcd_digital_probe(struct platform_device *pdev)
 
 	dev_set_drvdata(dev, priv);
 
-	return devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
+	ret = devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
 				      msm8916_wcd_digital_dai,
 				      ARRAY_SIZE(msm8916_wcd_digital_dai));
+	if (ret)
+		goto err_mclk;
+
+	return 0;
+
+err_mclk:
+	clk_disable_unprepare(priv->mclk);
 err_clk:
 	clk_disable_unprepare(priv->ahbclk);
 	return ret;
-- 
2.17.1