linux-kernel - Re: [PATCH 2/2] devfreq: separate error paths from successful path

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Date:	Tue, 15 Nov 2011 00:19:59 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	myungjoo.ham@...sung.com
Cc:	Axel Lin <axel.lin@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Kevin Hilman <khilman@...com>,
	박경민 <kyungmin.park@...sung.com>,
	Mike Turquette <mturquette@...com>
Subject: Re: [PATCH 2/2] devfreq: separate error paths from successful path

On Tuesday, November 15, 2011, Rafael J. Wysocki wrote:
> On Friday, November 11, 2011, MyungJoo Ham wrote:
> > Sender : Axel Lin<axel.lin@...il.com> Date : 2011-11-10 16:30 (GMT+09:00)
> > > I think this change improves readability.
> > > 
> > > Signed-off-by: Axel Lin 
> > 
> > I agree. It makes it easier to read.
> > 
> > Acked-by: MyungJoo Ham <myungjoo.ham@...sung.com>
> 
> Applied to linux-pm/pm-fixes.

Sorry, this one went to linux-pm/linux-next and will wait for the 3.3 merge
window.

Thanks,
Rafael


> > > ---
> > > drivers/devfreq/devfreq.c |   15 +++++++--------
> > > 1 files changed, 7 insertions(+), 8 deletions(-)
> > > 
> > > diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
> > > index 59d24e9..c189b82 100644
> > > --- a/drivers/devfreq/devfreq.c
> > > +++ b/drivers/devfreq/devfreq.c
> > > @@ -347,7 +347,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
> > > if (!IS_ERR(devfreq)) {
> > > dev_err(dev, "%s: Unable to create devfreq for the device. It already has one. ", __func__);
> > > err = -EINVAL;
> > > - goto out;
> > > + goto err_out;
> > > }
> > > }
> > > 
> > > @@ -356,7 +356,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
> > > dev_err(dev, "%s: Unable to create devfreq for the device ",
> > > __func__);
> > > err = -ENOMEM;
> > > - goto out;
> > > + goto err_out;
> > > }
> > > 
> > > mutex_init(&devfreq->lock);
> > > @@ -399,17 +399,16 @@ struct devfreq *devfreq_add_device(struct device *dev,
> > >    devfreq->next_polling);
> > > }
> > > mutex_unlock(&devfreq_list_lock);
> > > - goto out;
> > > +out:
> > > + return devfreq;
> > > +
> > > err_init:
> > > device_unregister(&devfreq->dev);
> > > err_dev:
> > > mutex_unlock(&devfreq->lock);
> > > kfree(devfreq);
> > > -out:
> > > - if (err)
> > > - return ERR_PTR(err);
> > > - else
> > > - return devfreq;
> > > +err_out:
> > > + return ERR_PTR(err);
> > > }
> > > 
> > > /**
> > 
> 
> --
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