linux-kernel - Re: [PATCH 1/1] pinctrl: Samsung: Fix return value

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Date:	Fri, 14 Sep 2012 16:07:54 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Sachin Kamat <sachin.kamat@...aro.org>,
	Thomas Abraham <thomas.ab@...sung.com>
Cc:	linux-kernel@...r.kernel.org, patches@...aro.org
Subject: Re: [PATCH 1/1] pinctrl: Samsung: Fix return value

On Fri, Sep 14, 2012 at 2:02 PM, Sachin Kamat <sachin.kamat@...aro.org> wrote:

> Return the value obtained from of_property_count_strings()
> instead of -EINVAL.
>
> Silences the following smatch warning:
> drivers/pinctrl/pinctrl-samsung.c:529 samsung_pinctrl_parse_dt_pins()
> info: why not propagate '*npins' from of_property_count_strings()
> instead of -22?
>
> Cc: Thomas Abraham <thomas.ab@...sung.com>
> Signed-off-by: Sachin Kamat <sachin.kamat@...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 8a24223..824fda9 100644
> --- a/drivers/pinctrl/pinctrl-samsung.c
> +++ b/drivers/pinctrl/pinctrl-samsung.c
> @@ -526,7 +526,7 @@ static int __init samsung_pinctrl_parse_dt_pins(struct platform_device *pdev,
>         *npins = of_property_count_strings(cfg_np, "samsung,pins");
>         if (*npins < 0) {
>                 dev_err(dev, "invalid pin list in %s node", cfg_np->name);
> -               return -EINVAL;
> +               return *npins;
>         }

Thomas, please check this ...

Yours,
Linus Walleij
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