[PATCH 5.15 195/667] ASoC: mediatek: Fix error handling in mt8173_max98090_dev_probe

[Greg Kroah-Hartman]

From: Miaoqian Lin <linmq006@xxxxxxxxx>

[ 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@xxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220404092903.26725-1-linmq006@xxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 3bdd4931316c..5f39e810e27a 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