linux-kernel - Re: Re: [PATCH] extcon-max8997: remove usage of ret in max8997_muic_handle_charger_type

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Message-id: <28012960.171051346737650663.JavaMail.weblogic@epml19>
Date:	Tue, 04 Sep 2012 05:47:31 +0000 (GMT)
From:	MyungJoo Ham <myungjoo.ham@...sung.com>
To:	Devendra Naga <develkernel412222@...il.com>,
	최찬우 <cw00.choi@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Re: [PATCH] extcon-max8997: remove usage of ret in
 max8997_muic_handle_charger_type_detach

> any comments ?
> 

Sorry for replying late.

It has been applied to the extcon-for-next tree at
http://git.infradead.org/users/kmpark/linux-samsung/shortlog/refs/heads/extcon-for-next
, which will appear in hours.


> On Wed, Aug 15, 2012 at 12:19 PM, Devendra Naga
> <develkernel412222@...il.com> wrote:
> > actually we can do returns with error or success with out ret in this function,
> > so remove the ret variable, and reduce a very little (4byte) space on stack of this function
> >
> > Signed-off-by: Devendra Naga <develkernel412222@...il.com>
> > ---
> >  compile tested.
> >
> >  drivers/extcon/extcon-max8997.c | 6 ++----
> >  1 file changed, 2 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
> > index ef9090a..77b66b0 100644
> > --- a/drivers/extcon/extcon-max8997.c
> > +++ b/drivers/extcon/extcon-max8997.c
> > @@ -271,8 +271,6 @@ out:
> >  static int max8997_muic_handle_charger_type_detach(
> >                                 struct max8997_muic_info *info)
> >  {
> > -       int ret = 0;
> > -
> >         switch (info->pre_charger_type) {
> >         case MAX8997_CHARGER_TYPE_USB:
> >                 extcon_set_cable_state(info->edev, "USB", false);
> > @@ -290,11 +288,11 @@ static int max8997_muic_handle_charger_type_detach(
> >                 extcon_set_cable_state(info->edev, "Fast-charger", false);
> >                 break;
> >         default:
> > -               ret = -EINVAL;
> > +               return -EINVAL;
> >                 break;
> >         }
> >
> > -       return ret;
> > +       return 0;
> >  }
> >
> >  static int max8997_muic_handle_charger_type(struct max8997_muic_info *info,
> > --
> > 1.7.12.rc2
> >
> 
> 
> 
>        
>   
>