Commit 36d311bc authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Jonathan Cameron
Browse files

iio: adc: rockchip_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>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 2f9aeeed
......@@ -224,6 +224,11 @@ static int rockchip_saradc_probe(struct platform_device *pdev)
info = iio_priv(indio_dev);
match = of_match_device(rockchip_saradc_match, &pdev->dev);
if (!match) {
dev_err(&pdev->dev, "failed to match device\n");
return -ENODEV;
}
info->data = match->data;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
......
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