linux-kernel - Re: [PATCH v1 2/5] extcon: Return -EPROBE_DEFER when extcon device is not found

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-id: <5BECC905.4060802@samsung.com>
Date:   Thu, 15 Nov 2018 10:16:53 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        USB <linux-usb@...r.kernel.org>, Felipe Balbi <balbi@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        "Krogerus, Heikki" <heikki.krogerus@...ux.intel.com>,
        rogerq@...com, Linux PM <linux-pm@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Sebastian Reichel <sre@...nel.org>,
        Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
        Darren Hart <dvhart@...radead.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH v1 2/5] extcon: Return -EPROBE_DEFER when extcon device
 is not found

On 2018년 11월 14일 23:04, Andy Shevchenko wrote:
> On Wed, Nov 14, 2018 at 1:17 PM Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
>> On Wed, Nov 14, 2018 at 1:05 PM Chanwoo Choi <cw00.choi@...sung.com> wrote:
> 
>>>> Changing NULL to -ENODEV is a trading bad to worse.
> 
>> P.S. I still disagree with your arguments in relation to de facto use of an API.
> 
> I spoke to colleagues of mine and they are agree that semantically
> -EPROBE_DEFER is a wrong error code from API that matches against some
> list.
> On the other hand, they agree with me that changing NULL to -ENODEV is
> a trading bad to worse.
> 
> So, I withdraw mine complaints against API.
> 

OK. Thanks.

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics