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Date: Mon, 4 Apr 2022 09:29:01 +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>,
Matthias Brugger <matthias.bgg@...il.com>,
Tzung-Bi Shih <tzungbi@...gle.com>,
Miaoqian Lin <linmq006@...il.com>,
Jiaxin Yu <jiaxin.yu@...iatek.com>,
Koro Chen <koro.chen@...iatek.com>,
alsa-devel@...a-project.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: mediatek: Fix error handling in mt8173_max98090_dev_probe
Call of_node_put(platform_node) to avoid refcount leak in
the error path.
Fixes: 94319ba10eca ("ASoC: mediatek: Use platform_of_node for machine drivers")
Fixes: 493433785df0 ("ASoC: mediatek: mt8173: fix device_node leak")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
---
sound/soc/mediatek/mt8173/mt8173-max98090.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/mediatek/mt8173/mt8173-max98090.c b/sound/soc/mediatek/mt8173/mt8173-max98090.c
index 4cb90da89262..58778cd2e61b 100644
--- a/sound/soc/mediatek/mt8173/mt8173-max98090.c
+++ b/sound/soc/mediatek/mt8173/mt8173-max98090.c
@@ -167,7 +167,8 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev)
if (!codec_node) {
dev_err(&pdev->dev,
"Property 'audio-codec' missing or invalid\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_platform_node;
}
for_each_card_prelinks(card, i, dai_link) {
if (dai_link->codecs->name)
@@ -179,6 +180,8 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev)
ret = devm_snd_soc_register_card(&pdev->dev, card);
of_node_put(codec_node);
+
+put_platform_node:
of_node_put(platform_node);
return ret;
}
--
2.17.1
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