[PATCH 5.10 461/575] ASoC: cs42l42: Disable regulators if probe fails

From: Greg Kroah-Hartman
Date: Mon Nov 15 2021 - 15:40:30 EST


From: Lucas Tanure <tanureal@xxxxxxxxxxxxxxxxxxxxx>

[ Upstream commit 1abca8e1c77bd9c5f5c0bed21c5b075b6852a178 ]

In case of cs42l42_i2c_probe() fail, the regulators were left enabled.

Signed-off-by: Lucas Tanure <tanureal@xxxxxxxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210306185553.62053-8-tanureal@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
sound/soc/codecs/cs42l42.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c
index 191431868c678..eb1fcc5be0573 100644
--- a/sound/soc/codecs/cs42l42.c
+++ b/sound/soc/codecs/cs42l42.c
@@ -1781,8 +1781,10 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client,
/* Reset the Device */
cs42l42->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev,
"reset", GPIOD_OUT_LOW);
- if (IS_ERR(cs42l42->reset_gpio))
- return PTR_ERR(cs42l42->reset_gpio);
+ if (IS_ERR(cs42l42->reset_gpio)) {
+ ret = PTR_ERR(cs42l42->reset_gpio);
+ goto err_disable;
+ }

if (cs42l42->reset_gpio) {
dev_dbg(&i2c_client->dev, "Found reset GPIO\n");
@@ -1817,13 +1819,13 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client,
dev_err(&i2c_client->dev,
"CS42L42 Device ID (%X). Expected %X\n",
devid, CS42L42_CHIP_ID);
- return ret;
+ goto err_disable;
}

ret = regmap_read(cs42l42->regmap, CS42L42_REVID, &reg);
if (ret < 0) {
dev_err(&i2c_client->dev, "Get Revision ID failed\n");
- return ret;
+ goto err_disable;
}

dev_info(&i2c_client->dev,
@@ -1849,7 +1851,7 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client,
if (i2c_client->dev.of_node) {
ret = cs42l42_handle_device_data(i2c_client, cs42l42);
if (ret != 0)
- return ret;
+ goto err_disable;
}

/* Setup headset detection */
--
2.33.0