On Sun,  4 Dec 2016 20:55:25 -0800, Guenter Roeck wrote:
> Module test reports:
> 
> temp1_max: Suspected overflow: [160000 vs. 0]
> temp1_min: Suspected overflow: [160000 vs. 0]
> 
> This is seen because the values passed when writing temperature limits
> are unbound.
> 
> Signed-off-by: Guenter Roeck <[email protected]>
> ---
>  drivers/hwmon/ds620.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/ds620.c b/drivers/hwmon/ds620.c
> index edf550fc4eef..0043a4c02b85 100644
> --- a/drivers/hwmon/ds620.c
> +++ b/drivers/hwmon/ds620.c
> @@ -166,7 +166,7 @@ static ssize_t set_temp(struct device *dev, struct 
> device_attribute *da,
>       if (res)
>               return res;
>  
> -     val = (val * 10 / 625) * 8;
> +     val = (clamp_val(val, -128000, 128000) * 10 / 625) * 8;
>  
>       mutex_lock(&data->update_lock);
>       data->temp[attr->index] = val;

Reviewed-by: Jean Delvare <[email protected]>
Fixes: 6099469805c2 ("hwmon: Support for Dallas Semiconductor DS620")

-- 
Jean Delvare
SUSE L3 Support
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