Re: [patch] Staging: iio/dac/ad5064.c: signedness bug in ad5064_read_raw()

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On 10/29/2011 09:20 AM, Dan Carpenter wrote:
> regulator_get_voltage() returns an int so "scale_uv" should be an
> int.  Making it unsigned here breaks the error handling.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

uhm, yes...

Acked-by: Lars-Peter Clausen <lars@xxxxxxxxxx>

Thanks.

> 
> diff --git a/drivers/staging/iio/dac/ad5064.c b/drivers/staging/iio/dac/ad5064.c
> index 24279f2..3b14526 100644
> --- a/drivers/staging/iio/dac/ad5064.c
> +++ b/drivers/staging/iio/dac/ad5064.c
> @@ -280,8 +280,8 @@ static int ad5064_read_raw(struct iio_dev *indio_dev,
>  			   long m)
>  {
>  	struct ad5064_state *st = iio_priv(indio_dev);
> -	unsigned long scale_uv;
>  	unsigned int vref;
> +	int scale_uv;
>  
>  	switch (m) {
>  	case 0:

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