From: Dan Carpenter error27@gmail.com
commit 73a428b37b9b538f8f8fe61caa45e7f243bab87c upstream.
The at91_adc_allocate_trigger() function is supposed to return error pointers. Returning a NULL will cause an Oops.
Fixes: 5e1a1da0f8c9 ("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 --- drivers/iio/adc/at91-sama5d2_adc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -1000,7 +1000,7 @@ static struct iio_trigger *at91_adc_allo 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);