Re: [RESEND][PATCH 1/3] PM / devfreq: exynos4_bus: Fix missing mutex_unlock if opp_find_freq_floor fails

From: Rafael J. Wysocki
Date: Fri Apr 12 2013 - 19:12:44 EST


On Friday, April 12, 2013 09:11:00 PM myungjoo.ham wrote:
> > 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.

OK, I've dropped all three.

Axel, please push [2-3/3] thorugh the Exynos tree.

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);
> > > > >
> >
> >
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-pm" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/