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iio: adc: ti-adc128s052: Use devm_mutex_init()

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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@gmail.com>
Link: https://patch.msgid.link/efe4a039e2bfbf4dcf30743f6b7b88fce3b9ee39.1744022065.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Matti Vaittinen
2025-04-07 14:36:23 +03:00
committed by Jonathan Cameron
parent 6c41d59072
commit 804757a221
1 changed files with 3 additions and 1 deletions
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4
drivers/iio/adc/ti-adc128s052.c
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@@ -172,7 +172,9 @@ static int adc128_probe(struct spi_device *spi)
if (ret)
return ret;
mutex_init(&adc->lock);
ret = devm_mutex_init(&spi->dev, &adc->lock);
if (ret)
return ret;
return devm_iio_device_register(&spi->dev, indio_dev);
}