[PATCH 5.15 657/846] ASoC: mediatek: mt8192-mt6359: fix device_node leak

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From: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>

[ Upstream commit 4e28491a7a198c668437f2be8a91a76aa52f20eb ]

The of_parse_phandle() document:
    >>> Use of_node_put() on it when done.

The driver didn't call of_node_put().  Fixes the leak.

Signed-off-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20211214040028.2992627-1-tzungbi@xxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c b/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c
index a606133951b70..24a5d0adec1ba 100644
--- a/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c
+++ b/sound/soc/mediatek/mt8192/mt8192-mt6359-rt1015-rt5682.c
@@ -1172,7 +1172,11 @@ static int mt8192_mt6359_dev_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	return devm_snd_soc_register_card(&pdev->dev, card);
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
+
+	of_node_put(platform_node);
+	of_node_put(hdmi_codec);
+	return ret;
 }
 
 #ifdef CONFIG_OF
-- 
2.34.1






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