iio: adc: at91-sama5d2_adc: fix an error code in at91_adc_allocate_trigger()

commit 73a428b37b upstream.

The at91_adc_allocate_trigger() function is supposed to return error
pointers.  Returning a NULL will cause an Oops.

Fixes: 5e1a1da0f8 ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/5d728f9d-31d1-410d-a0b3-df6a63a2c8ba@kili.mountain
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2023-03-29 07:35:32 +03:00 committed by Greg Kroah-Hartman
parent e589986ef0
commit 144ff55623

View File

@ -1000,7 +1000,7 @@ static struct iio_trigger *at91_adc_allocate_trigger(struct iio_dev *indio,
trig = devm_iio_trigger_alloc(&indio->dev, "%s-dev%d-%s", indio->name,
iio_device_id(indio), trigger_name);
if (!trig)
return NULL;
return ERR_PTR(-ENOMEM);
trig->dev.parent = indio->dev.parent;
iio_trigger_set_drvdata(trig, indio);