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From: Stephen Warren <swarren@wwwdotorg.org>
To: Linus Walleij <linus.walleij@stericsson.com>
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Shawn Guo <shawn.guo@freescale.com>,
	Thomas Abraham <thomas.abraham@linaro.org>,
	Dong Aisheng <dong.aisheng@linaro.org>,
	Rajendra Nayak <rajendra.nayak@linaro.org>,
	Haojian Zhuang <haojian.zhuang@marvell.com>,
	Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH] pinctrl: fix error path in pinconf_map_to_setting()
Date: Mon, 12 Mar 2012 15:04:43 -0600	[thread overview]
Message-ID: <4F5E64EB.6050200@wwwdotorg.org> (raw)
In-Reply-To: <1331584870-10077-1-git-send-email-linus.walleij@stericsson.com>

On 03/12/2012 02:41 PM, Linus Walleij wrote:
> From: Linus Walleij <linus.walleij@linaro.org>
> 
> The code was using the union member
> setting->data.configs.group_or_pin to store a potential
> error code, but since that member is unsigned the
> < 0 comparison was not true, letting errors pass thru,

"thru" is a pet peeve of mine; it'd be great to spell this correctly as
"through".

> ending up as mapped to pin "-22". Fix this up and print
> the error.

Oops. Sorry about that.

> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
...
> -		setting->data.configs.group_or_pin =
> -			pin_get_from_name(pctldev,
> -					  map->data.configs.group_or_pin);
> -		if (setting->data.configs.group_or_pin < 0)
> -			return setting->data.configs.group_or_pin;
> +		ret = pin_get_from_name(pctldev,
> +					map->data.configs.group_or_pin);
> +		if (ret < 0) {

"ret" here is named "pin" other places pin_get_from_name() is called,
and that naming seems to make a bit more sense here too.

Otherwise,
Acked-by: Stephen Warren <swarren@wwwdotorg.org>

      reply	other threads:[~2012-03-12 21:04 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-12 20:41 [PATCH] pinctrl: fix error path in pinconf_map_to_setting() Linus Walleij
2012-03-12 21:04 ` Stephen Warren [this message]

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