On Fri, Mar 28, 2014 at 9:33 AM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
>
> mcb_request_mem() returns an ERR_PTR(), it doesn't return NULL.
>
> Fixes: 74aeac4da66f ('iio: adc: Add MEN 16z188 ADC driver')
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/iio/adc/men_z188_adc.c b/drivers/iio/adc/men_z188_adc.c
> index 6989c16..b58d630 100644
> --- a/drivers/iio/adc/men_z188_adc.c
> +++ b/drivers/iio/adc/men_z188_adc.c
> @@ -121,8 +121,8 @@ static int men_z188_probe(struct mcb_device *dev,
> indio_dev->num_channels = ARRAY_SIZE(z188_adc_iio_channels);
>
> mem = mcb_request_mem(dev, "z188-adc");
> - if (!mem)
> - return -ENOMEM;
> + if (IS_ERR(mem))
> + return PTR_ERR(mem);
>
> adc->base = ioremap(mem->start, resource_size(mem));
> if (adc->base == NULL)
Acked-by: Johannes Thumshirn <johannes.thumshirn@xxxxxx>
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