linux-kernel - RE: [PATCH 06/14] pinctrl: samsung: Update error check for unsigned variables

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Date:	Mon, 19 Nov 2012 10:29:11 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'Linus Walleij' <linus.walleij@...aro.org>,
	'Tushar Behera' <tushar.behera@...aro.org>
Cc:	linux-kernel@...r.kernel.org, patches@...aro.org
Subject: RE: [PATCH 06/14] pinctrl: samsung: Update error check for unsigned
 variables

Linus Walleij wrote:
> 
> On Fri, Nov 16, 2012 at 7:50 AM, Tushar Behera <tushar.behera@...aro.org>
> wrote:
> 
> > Checking '< 0' for unsigned variables always returns false. For error
> > codes, use IS_ERR_VALUE() instead.
> >
> > CC: Linus Walleij <linus.walleij@...aro.org>
> > Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
> > ---
> >  drivers/pinctrl/pinctrl-samsung.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/drivers/pinctrl/pinctrl-samsung.c
> b/drivers/pinctrl/pinctrl-samsung.c
> > index 81c9896..3b52c17 100644
> > --- a/drivers/pinctrl/pinctrl-samsung.c
> > +++ b/drivers/pinctrl/pinctrl-samsung.c
> > @@ -560,7 +560,7 @@ static int __devinit
> samsung_pinctrl_parse_dt_pins(struct platform_device *pdev,
> >         const char *pin_name;
> >
> >         *npins = of_property_count_strings(cfg_np, "samsung,pins");
> > -       if (*npins < 0) {
> > +       if (IS_ERR_VALUE(*npins)) {
> >                 dev_err(dev, "invalid pin list in %s node",
cfg_np->name);
> >                 return -EINVAL;
> >         }
> 
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> 
> For this merge window Kukjin is handling the Samsung pinctrl patches,
> Kukjin can you pick this to your tree to avoid any mess?
> 
Sure, I will.

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@...sung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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