Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.15 4/7] iio: adc: palmas_gpadc: fix NULL dereference on rmmod | Date | Thu, 20 Apr 2023 07:03:04 -0400 |
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From: Patrik Dahlström <risca@dalakolonin.se>
[ Upstream commit 49f76c499d38bf67803438eee88c8300d0f6ce09 ]
Calling dev_to_iio_dev() on a platform device pointer is undefined and will make adc NULL.
Signed-off-by: Patrik Dahlström <risca@dalakolonin.se> Link: https://lore.kernel.org/r/20230313205029.1881745-1-risca@dalakolonin.se Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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 f9c8385c72d3d..496aab94570a1 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) -- 2.39.2
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