6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
[ Upstream commit 869aa5e847696bcda8966be9d03de2560226bcc3 ]
Even if it's not critical, the avoidance of checking the error code
from devm_mutex_init() call today diminishes the point of using devm
variant of it. Tomorrow it may even leak something. Add the missed
check.
Fixes: 371f778b83cd ("iio: adc: add support for pac1921")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Acked-by: Matteo Martelli <matteomartelli3@xxxxxxxxx>
Link: https://patch.msgid.link/20241030162013.2100253-3-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/iio/adc/pac1921.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/pac1921.c b/drivers/iio/adc/pac1921.c
index 36e813d9c73f1..fe1d9e07fce24 100644
--- a/drivers/iio/adc/pac1921.c
+++ b/drivers/iio/adc/pac1921.c
@@ -1171,7 +1171,9 @@ static int pac1921_probe(struct i2c_client *client)
return dev_err_probe(dev, (int)PTR_ERR(priv->regmap),
"Cannot initialize register map\n");
- devm_mutex_init(dev, &priv->lock);
+ ret = devm_mutex_init(dev, &priv->lock);
+ if (ret)
+ return ret;
priv->dv_gain = PAC1921_DEFAULT_DV_GAIN;
priv->di_gain = PAC1921_DEFAULT_DI_GAIN;
--
2.43.0
