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Commit 13814627 authored by Kangjie Lu's avatar Kangjie Lu Committed by Jonathan Cameron
Browse files

iio: adc: fix a potential NULL pointer dereference 



devm_iio_trigger_alloc may fail and return NULL. The fix returns
ENOMEM when it fails.

Signed-off-by: default avatarKangjie Lu <kjlu@umn.edu>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent d43102f5

drivers/iio/adc/mxs-lradc-adc.c

+2 −0
Original line number Diff line number Diff line
@@ -465,6 +465,8 @@ static int mxs_lradc_adc_trigger_init(struct iio_dev *iio) 


	trig = devm_iio_trigger_alloc(&iio->dev, "%s-dev%i", iio->name,

				      iio->id);

	if (!trig)

		return -ENOMEM;



	trig->dev.parent = adc->dev;

	iio_trigger_set_drvdata(trig, iio);