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

From: Zhang Rui
Date: Thu Jul 28 2016 - 04:50:19 EST


On ä, 2016-07-05 at 12:22 -0400, Rhyland Klein wrote:
> 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>
> > ---
> > Âdrivers/thermal/thermal_helpers.c | 4 ++++
> > Â1 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)
> > Â mutex_lock(&tz->lock);
> > Â
> > Â ret = tz->ops->get_temp(tz, temp);
> > + if (!ret) {
> > + mutex_unlock(&tz->lock);
> > + goto exit;
> > + }
> > Â
> > Â if (IS_ENABLED(CONFIG_THERMAL_EMULATION) && tz-
> > >emul_temperature) {
> > Â 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?

Patch applied, it would be merged together with the thermal reorg
patches.

thanks,
rui