Commit 2f9aeeed authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Jonathan Cameron

iio: adc: meson-saradc: add NULL check on of_match_device() return value

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: default avatarGustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 0503deb8
...@@ -915,6 +915,11 @@ static int meson_sar_adc_probe(struct platform_device *pdev) ...@@ -915,6 +915,11 @@ static int meson_sar_adc_probe(struct platform_device *pdev)
init_completion(&priv->done); init_completion(&priv->done);
match = of_match_device(meson_sar_adc_of_match, &pdev->dev); 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; priv->data = match->data;
indio_dev->name = priv->data->name; indio_dev->name = priv->data->name;
......
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