Check return value from call to of_match_device() in order to prevent a NULL pointer dereference. In case of NULL print error message and return -ENODEV Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx> --- drivers/iio/adc/meson_saradc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 83da50e..07dbcc3 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -915,6 +915,11 @@ static int meson_sar_adc_probe(struct platform_device *pdev) init_completion(&priv->done); match = of_match_device(meson_sar_adc_of_match, &pdev->dev); + if (!match) { + dev_err(&pdev->dev, "failed to match device\n"); + return -ENODEV; + } + priv->data = match->data; indio_dev->name = priv->data->name; -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html