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From: =?utf-8?q?Patrik_Dahlstr=C3=B6m?= <risca@dalakolonin.se>
To: linux-iio@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org,
kernel@pyra-handheld.com, pgoudagunta@nvidia.com, hns@goldelico.com,
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=?utf-8?q?trik_Dahlstr=C3=B6m?= <risca@dalakolonin.se>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: [PATCH v4 1/9] iio: adc: palmas_gpadc: fix NULL dereference on rmmod
Date: Sat, 8 Apr 2023 13:48:17 +0200
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| Series |
iio: adc: palmas_gpadc: add iio events
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Commit Message
Patrik Dahlström
April 8, 2023, 11:48 a.m. UTC
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> --- 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 fd000345ec5c..849a697a467e 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -639,7 +639,7 @@ 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)