Messages in this thread Patch in this message | | | From | Fabien Parent <> | Subject | [PATCH] iio: adc: mediatek: fix unset field | Date | Mon, 12 Oct 2020 21:46:18 +0200 |
| |
dev_comp field is used in a couple of places but it is never set. This results in kernel oops when dereferencing a NULL pointer. Set the `dev_comp` field correctly in the probe function.
Fixes: 6d97024dce23 ("iio: adc: mediatek: mt6577-auxadc, add mt6765 support")
Signed-off-by: Fabien Parent <fparent@baylibre.com> --- drivers/iio/adc/mt6577_auxadc.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c index ac415cb089cd..7bd48377cd79 100644 --- a/drivers/iio/adc/mt6577_auxadc.c +++ b/drivers/iio/adc/mt6577_auxadc.c @@ -276,6 +276,8 @@ static int mt6577_auxadc_probe(struct platform_device *pdev) goto err_disable_clk; } + adc_dev->dev_comp = of_device_get_match_data(&pdev->dev); + mutex_init(&adc_dev->lock); mt6577_auxadc_mod_reg(adc_dev->reg_base + MT6577_AUXADC_MISC, -- 2.28.0
| |