[PATCH] ASoC: mediatek: mt8183: fix refcount leak in mt8183_mt6358_ts3a227_max98357_dev_probe()
Wang Yufen
wangyufen at huawei.com
Mon Dec 5 01:56:28 PST 2022
The node returned by of_parse_phandle() with refcount incremented,
of_node_put() needs be called when finish using it. So add it in the
error path in mt8183_mt6358_ts3a227_max98357_dev_probe().
Fixes: 11c0269017b2 ("ASoC: Mediatek: MT8183: Add machine driver with TS3A227")
Signed-off-by: Wang Yufen <wangyufen at huawei.com>
---
sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
index a860852..48c14be 100644
--- a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
+++ b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
@@ -677,8 +677,10 @@ static int mt8183_i2s2_init(struct snd_soc_pcm_runtime *rtd)
}
card = (struct snd_soc_card *)of_device_get_match_data(&pdev->dev);
- if (!card)
+ if (!card) {
+ of_node_put(platform_node);
return -EINVAL;
+ }
card->dev = &pdev->dev;
ec_codec = of_parse_phandle(pdev->dev.of_node, "mediatek,ec-codec", 0);
@@ -767,8 +769,10 @@ static int mt8183_i2s2_init(struct snd_soc_pcm_runtime *rtd)
}
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ if (!priv) {
+ ret = -ENOMEM;
+ goto out;
+ }
snd_soc_card_set_drvdata(card, priv);
@@ -776,7 +780,8 @@ static int mt8183_i2s2_init(struct snd_soc_pcm_runtime *rtd)
if (IS_ERR(priv->pinctrl)) {
dev_err(&pdev->dev, "%s devm_pinctrl_get failed\n",
__func__);
- return PTR_ERR(priv->pinctrl);
+ ret = PTR_ERR(priv->pinctrl);
+ goto out;
}
for (i = 0; i < PIN_STATE_MAX; i++) {
@@ -809,6 +814,7 @@ static int mt8183_i2s2_init(struct snd_soc_pcm_runtime *rtd)
ret = devm_snd_soc_register_card(&pdev->dev, card);
+out:
of_node_put(platform_node);
of_node_put(ec_codec);
of_node_put(hdmi_codec);
--
1.8.3.1
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