[PATCH] iio: adc: palmas_gpadc: fix NULL dereference on rmmod

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Calling dev_to_iio_dev() on a platform device pointer is undefined and
will make adc NULL.

Signed-off-by: Patrik Dahlström <risca@xxxxxxxxxxxxxx>
 drivers/iio/adc/palmas_gpadc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c
index 61e80bf3d05e..6db6f3bc768a 100644
--- a/drivers/iio/adc/palmas_gpadc.c
+++ b/drivers/iio/adc/palmas_gpadc.c
@@ -638,7 +638,7 @@ static int palmas_gpadc_probe(struct platform_device *pdev)
 static int palmas_gpadc_remove(struct platform_device *pdev)
-	struct iio_dev *indio_dev = dev_to_iio_dev(&pdev->dev);
+	struct iio_dev *indio_dev = dev_get_drvdata(&pdev->dev);
 	struct palmas_gpadc *adc = iio_priv(indio_dev);
 	if (adc->wakeup1_enable || adc->wakeup2_enable)

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