[PATCH -next] ASoC: codec: tlv320adc3xxx: Fix missing clk_disable_unprepare() on error in adc3xxx_i2c_probe()

From: Yang Yingliang
Date: Thu Dec 23 2021 - 03:16:23 EST


Fix the missing clk_disable_unprepare() before return
from adc3xxx_i2c_probe() in the error handling case.

Fixes: e9a3b57efd28 ("ASoC: codec: tlv320adc3xxx: New codec driver")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
sound/soc/codecs/tlv320adc3xxx.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/tlv320adc3xxx.c b/sound/soc/codecs/tlv320adc3xxx.c
index a683bda7eb36..4baf3d881633 100644
--- a/sound/soc/codecs/tlv320adc3xxx.c
+++ b/sound/soc/codecs/tlv320adc3xxx.c
@@ -1232,21 +1232,21 @@ static int adc3xxx_i2c_probe(struct i2c_client *i2c,

ret = adc3xxx_parse_dt_gpio(adc3xxx, "ti,dmdin-gpio1", &adc3xxx->gpio_cfg[0]);
if (ret < 0)
- return ret;
+ goto err_unprepare_mclk;
ret = adc3xxx_parse_dt_gpio(adc3xxx, "ti,dmclk-gpio2", &adc3xxx->gpio_cfg[1]);
if (ret < 0)
- return ret;
+ goto err_unprepare_mclk;
ret = adc3xxx_parse_dt_micbias(adc3xxx, "ti,micbias1-vg", &adc3xxx->micbias_vg[0]);
if (ret < 0)
- return ret;
+ goto err_unprepare_mclk;
ret = adc3xxx_parse_dt_micbias(adc3xxx, "ti,micbias2-vg", &adc3xxx->micbias_vg[1]);
if (ret < 0)
- return ret;
+ goto err_unprepare_mclk;

adc3xxx->regmap = devm_regmap_init_i2c(i2c, &adc3xxx_regmap);
if (IS_ERR(adc3xxx->regmap)) {
ret = PTR_ERR(adc3xxx->regmap);
- return ret;
+ goto err_unprepare_mclk;
}

i2c_set_clientdata(i2c, adc3xxx);
@@ -1263,9 +1263,15 @@ static int adc3xxx_i2c_probe(struct i2c_client *i2c,

ret = snd_soc_register_component(dev,
&soc_component_dev_adc3xxx, &adc3xxx_dai, 1);
- if (ret < 0)
+ if (ret < 0) {
dev_err(dev, "Failed to register codec: %d\n", ret);
+ goto err_unprepare_mclk;
+ }
+
+ return 0;

+err_unprepare_mclk:
+ clk_disable_unprepare(adc3xxx->mclk);
return ret;
}

--
2.25.1