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@xxxxxxxxxxxx> --- 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