RE: [RESEND][PATCH 1/3] PM / devfreq: exynos4_bus: Fix missingmutex_unlock if opp_find_freq_floor fails

From: myungjoo.ham
Date: Fri Apr 12 2013 - 08:11:10 EST


> On Friday, April 12, 2013 11:52:01 AM íëì wrote:
> > > On Friday, April 12, 2013 01:54:18 PM Axel Lin wrote:
> > > > We need to call mutex_unlock() in the error path.
> > > >
> > > > Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
> > >
> > > All three patches applied to linux-pm.git/linux-next.
> > >
> > > Exynos maintainers, if you have any objections, please holler.
> > >
> > > Thanks,
> > > Rafael
> >
> > This patch was included in the last pull-request patchset
> > though the path was updated. (its precedessor patch moved
> > exynos drivers to /drivers/devfreq/exynos/* after adding
> > Exynos common driver files)
>
> OK, so do you want me to drop it?
>
> What about the remaining two?

Yes, please drop 1/3. It's duplicated.

The patches 2~3/3 can wait. They are actually not bugfixes.

>
> Do you have any more devfreq patches for me to take into v3.10? If so,
> please send a pull request ASAP.
>
> Thanks,
> Rafael
>
>
> > >
> > > > ---
> > > > drivers/devfreq/exynos4_bus.c | 3 ++-
> > > > 1 file changed, 2 insertions(+), 1 deletion(-)
> > > >
> > > > diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c
> > > > index 1deee09..54b9615 100644
> > > > --- a/drivers/devfreq/exynos4_bus.c
> > > > +++ b/drivers/devfreq/exynos4_bus.c
> > > > @@ -974,7 +974,8 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this,
> > > > rcu_read_unlock();
> > > > dev_err(data->dev, "%s: unable to find a min freq\n",
> > > > __func__);
> > > > - return PTR_ERR(opp);
> > > > + err = PTR_ERR(opp);
> > > > + goto unlock;
> > > > }
> > > > new_oppinfo.rate = opp_get_freq(opp);
> > > > new_oppinfo.volt = opp_get_voltage(opp);
> > > >
> > > --
> > > I speak only for myself.
> > > Rafael J. Wysocki, Intel Open Source Technology Center.
> > >
> > >
> > >
> > >
> > >
> > >
> > >
>
> --
> I speak only for myself.
> Rafael J. Wysocki, Intel Open Source Technology Center.
>
>
>
>
>
>
>

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