ASoC: mediatek: Fix missing of_node_put in mt2701_wm8960_machine_probe

[ Upstream commit 0565443 ]

This node pointer is returned by of_parse_phandle() with
refcount incremented in this function.
Calling of_node_put() to avoid the refcount leak.

Fixes: 8625c1d ("ASoC: mediatek: Add mt2701-wm8960 machine driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220404093526.30004-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

sound/soc/mediatek/mt2701/mt2701-wm8960.c

@@ -129,7 +129,8 @@ static int mt2701_wm8960_machine_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)
@@ -140,14 +141,18 @@ static int mt2701_wm8960_machine_probe(struct platform_device *pdev)
 	ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
 	if (ret) {
 		dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
-		return ret;
+		goto put_codec_node;
 	}
 
 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret)
 		dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
 			__func__, ret);
 
+put_codec_node:
+	of_node_put(codec_node);
+put_platform_node:
+	of_node_put(platform_node);
 	return ret;
 }