From: Chuhong Yuan <hslester96@gmail.com>
Date: Mon, 18 Nov 2019 11:40:18 +0000 (+0800)
Subject: iio: adc: max1027: fix not unregistered iio trigger
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c41d79b74b3b106310b43d68fd5a304735c3369f;p=linux.git

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>
---

diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c
index e171db20c04a7..02834ca3e1ced 100644
--- a/drivers/iio/adc/max1027.c
+++ b/drivers/iio/adc/max1027.c
@@ -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,