diff options
| author |   Gustavo A. R. Silva <garsilva@embeddedor.com> | 2017-07-07 01:51:31 -0500 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2017-07-09 19:09:50 +0100 |
| commit | 36d311bc1663f004529d2f870c1fc939d00c49f0 (patch) | |
| tree | 87327c0b17189107a8cfa083d7c3ad18ce53c60f /drivers/iio | |
| parent | iio: adc: meson-saradc: add NULL check on of_match_device() return value (diff) | |
| download | linux-dev-36d311bc1663f004529d2f870c1fc939d00c49f0.tar.xz linux-dev-36d311bc1663f004529d2f870c1fc939d00c49f0.zip | |
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: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/rockchip_saradc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index ae6d3324f518..2bf2ed15a870 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -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); |