linux-kernel - Re: [PATCH 1/2] pinctrl/pinctrl-tegra: remove IS

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Message-ID: <CACRpkdaZzMjWL=hE3wiPJ6m+XtzB-aeWfrr5QFJ8+3PPTbsX4Q@mail.gmail.com>
Date:	Wed, 20 Jun 2012 10:04:36 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Devendra Naga <devendra.aaru@...il.com>
Cc:	Stephen Warren <swarren@...dia.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] pinctrl/pinctrl-tegra: remove IS_ERR checking of pmx->pctl

On Mon, Jun 18, 2012 at 7:44 PM, Devendra Naga <devendra.aaru@...il.com> wrote:

> pinctrl_register returns a pointer of struct type struct pinctrl_dev,
> if successfully registered to pinctrl subsystem, otherwise returns
> NULL, and there wont' be any pointers which are not dereferencible.
>
> They are not type of pointer addresses but are kind of error
> codes rather actual addresses, but are a kind of return
> codes of functions returning integer types.
>
> return -ENODEV if device registration fails.
>
> Signed-off-by: Devendra Naga <devendra.aaru@...il.com>

Applied with Stephen's ACK, thanks!
Linus Walleij
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