linux-kernel - Re: [PATCH v1 2/6] ASoC: Intel: bytcht_es8316: Drop reference count of ACPI device after use

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Message-ID: <Y7/t/2LCY2R+nZ8e@smile.fi.intel.com>
Date:   Thu, 12 Jan 2023 13:24:47 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Vijendar Mukunda <Vijendar.Mukunda@....com>,
        Hans de Goede <hdegoede@...hat.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>
Subject: Re: [PATCH v1 2/6] ASoC: Intel: bytcht_es8316: Drop reference count
 of ACPI device after use

On Tue, Jan 10, 2023 at 07:20:08PM -0600, Pierre-Louis Bossart wrote:
> On 1/2/23 14:30, Andy Shevchenko wrote:
> > Theoretically the device might gone if its reference count drops to 0.
> > This might be the case when we try to find the first physical node of
> > the ACPI device. We need to keep reference to it until we get a result
> > of the above mentioned call. Refactor the code to drop the reference
> > count at the correct place.
> > 
> > While at it, move to acpi_dev_put() as symmetrical call to the
> > acpi_dev_get_first_match_dev().
> > 
> > Fixes: 3c22a73fb873 ("ASoC: Intel: bytcht_es8316: fix HID handling")
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> 
> How do we proceed for this patchset? I am happy to ack a v2 if Andy
> splits the AMD and Intel patches w/ a cover letter, but this could also
> be added directly if there is no objection.

I have split out the AMD stuff, so I will resend v2 without it and with cover
letter.

-- 
With Best Regards,
Andy Shevchenko