linux-kernel - Re: [PATCH v4 2/2] Bluetooth: hidp: Add support for hidraw HIDIOCGFEATURE and HIDIOCSFEATURE

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Message-Id: <89BCFDE1-0D39-4248-84B2-E02C1480E067@signal11.us>
Date:	Thu, 23 Sep 2010 10:16:43 -0400
From:	Alan Ott <alan@...nal11.us>
To:	Ville Tervo <ville.tervo@...ia.com>
Cc:	Jiri Kosina <jkosina@...e.cz>,
	Stefan Achatz <erazor_de@...rs.sourceforge.net>,
	Antonio Ospite <ospite@...denti.unina.it>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Tejun Heo <tj@...nel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Marcel Holtmann <marcel@...tmann.org>,
	Stephane Chatty <chatty@...c.fr>,
	Michael Poole <mdpoole@...ilus.org>,
	"David S. Miller" <davem@...emloft.net>,
	Bastien Nocera <hadess@...ess.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-bluetooth@...r.kernel.org" <linux-bluetooth@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH v4 2/2] Bluetooth: hidp: Add support for hidraw  HIDIOCGFEATURE  and HIDIOCSFEATURE


On Sep 23, 2010, at 7:51 AM, Ville Tervo wrote:

> Hi Alan,
>
> One comment.
>
> How about a variable called ret and using that to return len or  
> errno? It
> would eliminate code dublication.
>

Hi Ville,

Where specifically? In which function? I've gone through it a couple  
of times and failed to find return statements which are superfluous.  
Maybe I'm missing something fundamental?

Alan.


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