[PATCH 5.4 084/411] ASoC: mediatek: Fix error handling in mt8173_max98090_dev_probe

Greg Kroah-Hartman
2022-06-13T11:10:12Z

From: Miaoqian Lin <linmq006@gmail.com>

[ Upstream commit 4f4e0454e226de3bf4efd7e7924d1edc571c52d5 ]

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@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220404092903.26725-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 de1410c2c446..32df18180114 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)
@@ -182,6 +183,8 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev)
__func__, ret);

of_node_put(codec_node);
+
+put_platform_node:
of_node_put(platform_node);
return ret;
}
--
2.35.1