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

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Date:	Mon, 18 Jun 2012 12:05:18 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Devendra Naga <devendra.aaru@...il.com>
CC:	Linus Walleij <linus.walleij@...aro.org>,
	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 06/18/2012 11:44 AM, Devendra Naga 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>

Oops.

Acked-by: Stephen Warren <swarren@...dotorg.org>

Probably Cc stable since this is wrong back as far as 3.4.
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