linux-kernel - Re: [PATCH 2/2] Input: cros_ec_keyb - Fix usage of cros_ec_cmd

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Message-ID: <2607f36e-ee56-98c8-ba7d-ec44a34dd512@osg.samsung.com>
Date:	Mon, 25 Jul 2016 15:46:41 -0400
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	Brian Norris <briannorris@...omium.org>,
	Lee Jones <lee.jones@...aro.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Wolfram Sang <wsa@...-dreams.de>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Olof Johansson <olof@...om.net>,
	Brian Norris <computersforpeace@...il.com>,
	Enric Balletbo <enric.balletbo@...labora.co.uk>,
	Shawn Nematbakhsh <shawnn@...omium.org>,
	Gwendal Grignou <gwendal@...omium.org>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>
Subject: Re: [PATCH 2/2] Input: cros_ec_keyb - Fix usage of cros_ec_cmd_xfer()

Hello Brian,

On 07/25/2016 02:14 PM, Brian Norris wrote:
> cros_ec_cmd_xfer returns success status if the command transport
> completes successfully, but the execution result is incorrectly ignored.
> In many cases, the execution result is assumed to be successful, leading
> to ignored errors and operating on uninitialized data.
> 
> We've recently introduced the cros_ec_cmd_xfer_status() helper to avoid these
> problems. Let's use it.
> 
> Signed-off-by: Brian Norris <briannorris@...omium.org>
> ---

Reviewed-by: Javier Martinez Canillas <javier@....samsung.com>

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America