[PATCH linux dev-4.10] hwmon: occ: Fix uninitialised variable warning

[Eddie James]

On 06/16/2017 02:59 AM, Andrew Jeffery wrote:
> Observed the following:
>
>        CC      drivers/hwmon/occ/common.o
>      drivers/hwmon/occ/common.c: In function ‘occ_show_status’:
>      drivers/hwmon/occ/common.c:262:9: warning: ‘val’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>        return snprintf(buf, PAGE_SIZE - 1, "%d\n", val);
>               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Signed-off-by: Andrew Jeffery <andrew at aj.id.au>

Thanks Andrew!

Eddie
> ---
>   drivers/hwmon/occ/common.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c
> index f34b40062479..d3eb6f83a42c 100644
> --- a/drivers/hwmon/occ/common.c
> +++ b/drivers/hwmon/occ/common.c
> @@ -257,6 +257,8 @@ static ssize_t occ_show_status(struct device *dev,
>   	case 6:
>   		val = header->occ_state;
>   		break;
> +	default:
> +		return -EINVAL;
>   	}
>
>   	return snprintf(buf, PAGE_SIZE - 1, "%d\n", val);