This is a note to let you know that I've just added the patch titled
iio: adc: palmas_gpadc: fix NULL dereference on rmmod
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iio-adc-palmas_gpadc-fix-null-dereference-on-rmmod.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a95c7c13e8ae3b22e7f651c1eaabc57f54410c98
Author: Patrik Dahlström <risca@xxxxxxxxxxxxxx>
Date: Mon Mar 13 21:50:29 2023 +0100
iio: adc: palmas_gpadc: fix NULL dereference on rmmod
[ 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@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230313205029.1881745-1-risca@xxxxxxxxxxxxxx
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c
index 7dcd4213d38a0..6b76622b4fbfa 100644
--- a/drivers/iio/adc/palmas_gpadc.c
+++ b/drivers/iio/adc/palmas_gpadc.c
@@ -633,7 +633,7 @@ 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)
