Re: [RESEND PATCH] thermal: helpers: Check return value of get_temp

From: Rhyland Klein
Date: Tue Jul 05 2016 - 12:22:57 EST


On 6/6/2016 12:53 PM, Rhyland Klein wrote:
> Check the return value of get_temp, which can fail. If it does, then
> unlock and return the error code.
>
> Signed-off-by: Rhyland Klein <rklein@xxxxxxxxxx>
> ---
> drivers/thermal/thermal_helpers.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
> index 5e1c160944c9..dc260749f8d6 100644
> --- a/drivers/thermal/thermal_helpers.c
> +++ b/drivers/thermal/thermal_helpers.c
> @@ -90,6 +90,10 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp)
> mutex_lock(&tz->lock);
>
> ret = tz->ops->get_temp(tz, temp);
> + if (!ret) {
> + mutex_unlock(&tz->lock);
> + goto exit;
> + }
>
> if (IS_ENABLED(CONFIG_THERMAL_EMULATION) && tz->emul_temperature) {
> for (count = 0; count < tz->trips; count++) {
>

I haven't seen any comments on this patch, has anyone had a chance to
review it yet?

-rhyland

--
nvpublic