[PATCH 4/6] iio: adc: ti-adc128s052: Use devm_mutex_init()

[Matti Vaittinen]

Quoting Jonathan:
"Whilst it doesn't bring huge advantage, now we have devm_mutex_init()
it seems reasonable to use it and maybe catch a use after free for the
lock"

Switch to use devm_mutex_init() while working on this file.

Signed-off-by: Matti Vaittinen <mazziesaccount@xxxxxxxxx>
---
 drivers/iio/adc/ti-adc128s052.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ti-adc128s052.c b/drivers/iio/adc/ti-adc128s052.c
index dd1e405bf172..90b23c68daea 100644
--- a/drivers/iio/adc/ti-adc128s052.c
+++ b/drivers/iio/adc/ti-adc128s052.c
@@ -172,7 +172,7 @@ static int adc128_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
-	mutex_init(&adc->lock);
+	devm_mutex_init(&spi->dev, &adc->lock);
 
 	return devm_iio_device_register(&spi->dev, indio_dev);
 }
-- 
2.48.1

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