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iio: adc: max1027: fix not unregistered iio trigger 

The driver forgets to unregister the iio trigger in probe failure and
remove.
Use devm API to fix it.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Chuhong Yuan 2019-11-18 19:40:18 +08:00 committed by Jonathan Cameron
parent 1f310f77ef
commit c41d79b74b
1 changed files with 7 additions and 1 deletions
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8
drivers/iio/adc/max1027.c
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@ -478,7 +478,13 @@ static int max1027_probe(struct spi_device *spi)
st->trig->ops = &max1027_trigger_ops;
st->trig->dev.parent = &spi->dev;
iio_trigger_set_drvdata(st->trig, indio_dev);
iio_trigger_register(st->trig);
ret = devm_iio_trigger_register(&indio_dev->dev,
st->trig);
if (ret < 0) {
dev_err(&indio_dev->dev,
"Failed to register iio trigger\n");
return ret;
}
ret = devm_request_threaded_irq(&spi->dev, spi->irq,
iio_trigger_generic_data_rdy_poll,