linux-kernel - Re: [PATCH 2/2] hp-wmi: Fix detection for dock and tablet mode

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Message-ID: <CAHp75VcPm878U+m9s+AEdy7nnkkSWoqB1j2w5b5SuwSH31Y=sQ@mail.gmail.com>
Date:   Wed, 19 Apr 2017 19:23:39 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Darren Hart <dvhart@...radead.org>
Cc:     Carlo Caione <carlo@...lessm.com>, Carlo Caione <carlo@...one.org>,
        Andy Shevchenko <andy@...radead.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux Upstreaming Team <linux@...lessm.com>
Subject: Re: [PATCH 2/2] hp-wmi: Fix detection for dock and tablet mode

On Fri, Apr 14, 2017 at 2:07 AM, Darren Hart <dvhart@...radead.org> wrote:
> On Thu, Apr 13, 2017 at 10:09:43PM +0200, Carlo Caione wrote:
>> On Thu, Apr 13, 2017 at 8:21 PM, Darren Hart <dvhart@...radead.org> wrote:
>> > On Sun, Apr 09, 2017 at 03:56:08PM +0200, Carlo Caione wrote:

> EINVAL is being used to broadly here. If the input values are incorrect, then
> yes -EINVAL is the right response. However, if the query was unsuccessful, that
> is more appropriately -EIO.
>
> If the handle/method doesn't exist, that would be -ENXIO.
>
> However, your changes make the driver self-consistent and I'll apply them as is
> to testing.

Darren, if it's not yet in for-next, I would like Carlo to update his
patch 1. I think it's better if we not shadow negative error code from
the callee.

-- 
With Best Regards,
Andy Shevchenko