linux-kernel - Re: [RESEND PATCH] thermal: helpers: Check return value of get

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Date:	Thu, 28 Jul 2016 16:50:03 +0800
From:	Zhang Rui <rui.zhang@...el.com>
To:	Rhyland Klein <rklein@...dia.com>,
	Eduardo Valentin <edubezval@...il.com>
Cc:	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH] thermal: helpers: Check return value of get_temp

On 二, 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@...dia.com>
> > ---
> >  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?

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

thanks,
rui