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@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>

diff --git a/sound/soc/mediatek/mt8173/mt8173-max98090.c b/sound/soc/mediatek/mt8173/mt8173-max98090.c
index 4cb90da..58778cd 100644 (file)
--- 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;
 }