From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Carlo Caione <carlo@endlessm.com>
Cc: Carlo Caione <carlo@caione.org>,
"dvhart@infradead.org" <dvhart@infradead.org>,
Andy Shevchenko <andy@infradead.org>,
Platform Driver <platform-driver-x86@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Linux Upstreaming Team <linux@endlessm.com>
Subject: Re: [PATCH 1/2] hp-wmi: Fix error value for hp_wmi_tablet_state
Date: Wed, 19 Apr 2017 19:26:28 +0300 [thread overview]
Message-ID: <CAHp75VeuiwPBt2AU95X1KHWT3nm5LedG0n5aR9Vd+kPfQaRT-g@mail.gmail.com> (raw)
In-Reply-To: <CAL9uMOHuC5Phg8UcCvrDwqCiCcndEF4co8R_jgPQ+LTd8WN=BQ@mail.gmail.com>
On Wed, Apr 19, 2017 at 7:24 PM, Carlo Caione <carlo@endlessm.com> wrote:
> On Wed, Apr 19, 2017 at 6:21 PM, Andy Shevchenko
> <andy.shevchenko@gmail.com> wrote:
>> On Sun, Apr 9, 2017 at 4:56 PM, Carlo Caione <carlo@caione.org> wrote:
>>> From: Carlo Caione <carlo@endlessm.com>
>>>
>>> hp_wmi_tablet_state() fails to return the correct error code when
>>> hp_wmi_perform_query() returns the HP WMI query specific error code
>>> that is a positive value.
>>
>>> int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state,
>>> sizeof(state), sizeof(state));
>>> if (ret)
>>> - return ret;
>>> + return -EINVAL;
>>
>> Shouldn't be something like
>>
>> if (ret)
>> return ret < 0 ? ret : -EINVAL;
>>
>> Looking into the code it looks like it may return all possible values:
>> 0, negative, positive.
>
> When the HP WMI query returns a positive value something went wrong.
> hp_wmi_perform_query() returns 0 on success.
Yes, that's what I didn't object anyhow. My point is not to shadow
negative errors if any.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2017-04-19 16:26 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-09 13:56 [PATCH 0/2] hp-wmi: Fix dock status and tablet mode reporting Carlo Caione
2017-04-09 13:56 ` [PATCH 1/2] hp-wmi: Fix error value for hp_wmi_tablet_state Carlo Caione
2017-04-19 16:21 ` Andy Shevchenko
2017-04-19 16:24 ` Carlo Caione
2017-04-19 16:26 ` Andy Shevchenko [this message]
2017-04-09 13:56 ` [PATCH 2/2] hp-wmi: Fix detection for dock and tablet mode Carlo Caione
2017-04-13 18:21 ` Darren Hart
2017-04-13 20:09 ` Carlo Caione
2017-04-13 23:07 ` Darren Hart
2017-04-19 16:23 ` Andy Shevchenko
2017-04-19 20:12 ` Darren Hart
2017-04-13 6:28 ` [PATCH 0/2] hp-wmi: Fix dock status and tablet mode reporting Carlo Caione
2017-04-13 17:23 ` Darren Hart
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAHp75VeuiwPBt2AU95X1KHWT3nm5LedG0n5aR9Vd+kPfQaRT-g@mail.gmail.com \
--to=andy.shevchenko@gmail.com \
--cc=andy@infradead.org \
--cc=carlo@caione.org \
--cc=carlo@endlessm.com \
--cc=dvhart@infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@endlessm.com \
--cc=platform-driver-x86@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).