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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: "Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Mark Gross <markgross@kernel.org>,
	Andy Shevchenko <andy@infradead.org>,
	Wolfram Sang <wsa@the-dreams.de>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	Daniel Scally <djrscally@gmail.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>, Len Brown <lenb@kernel.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Platform Driver <platform-driver-x86@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-i2c <linux-i2c@vger.kernel.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Kate Hsuan <hpa@redhat.com>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	linux-clk <linux-clk@vger.kernel.org>
Subject: Re: [PATCH v4 08/11] platform/x86: int3472: Add get_sensor_adev_and_name() helper
Date: Mon, 1 Nov 2021 12:46:37 +0200	[thread overview]
Message-ID: <CAHp75Vd6CNkys7E3P_hKAoZ29hA2dpFEqzFWxrSkS8GbC_ivGw@mail.gmail.com> (raw)
In-Reply-To: <CAHp75VcdZV7NLEgQnEbsG951Mo2s_eRwfijgjSConXGF2SaSGA@mail.gmail.com>

On Mon, Nov 1, 2021 at 12:44 PM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
> On Mon, Nov 1, 2021 at 12:31 PM Hans de Goede <hdegoede@redhat.com> wrote:
> > On 10/25/21 13:31, Andy Shevchenko wrote:
> > > On Mon, Oct 25, 2021 at 12:42 PM Hans de Goede <hdegoede@redhat.com> wrote:

...

> > >> +       if (ret == 0 && sensor_adev_ret)
> > >> +               *sensor_adev_ret = sensor;
> > >> +       else
> > >> +               acpi_dev_put(sensor);
> > >> +
> > >> +       return ret;

...

> > >        if (sensor_adev_ret)
> > >                *sensor_adev_ret = sensor;
> > >
> > >        return 0;
> > >
> > > ?
> >
> > That misses an acpi_dev_put(sensor) when sensor_adev_ret == NULL.
>
> else
>   acpi_dev_put(...);
>
> ?

Hmm... But then in the original code and with this proposal the
acpi_dev_put() seems a bit strange to me.
If we are fine (no error code returned) why would the caller (note
_er_) go different paths?

-- 
With Best Regards,
Andy Shevchenko

  reply	other threads:[~2021-11-01 10:47 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-25  9:41 [PATCH v4 00/11] Add support for X86/ACPI camera sensor/PMIC setup with clk and regulator platform data Hans de Goede
2021-10-25  9:41 ` [PATCH v4 01/11] ACPI: delay enumeration of devices with a _DEP pointing to an INT3472 device Hans de Goede
2021-10-27 18:52   ` Rafael J. Wysocki
2021-11-01 11:16     ` Hans de Goede
2021-10-25  9:41 ` [PATCH v4 02/11] i2c: acpi: Use acpi_dev_ready_for_enumeration() helper Hans de Goede
2021-10-27 18:53   ` Rafael J. Wysocki
2021-10-25  9:41 ` [PATCH v4 03/11] platform_data: Add linux/platform_data/tps68470.h file Hans de Goede
2021-10-25  9:41 ` [PATCH v4 04/11] regulator: Introduce tps68470-regulator driver Hans de Goede
2021-10-25 11:11   ` Andy Shevchenko
2021-11-01 10:20     ` Hans de Goede
2021-10-28 16:23   ` Mark Brown
2021-11-09 12:14   ` Sakari Ailus
2021-11-09 12:29     ` Andy Shevchenko
2021-11-11 15:13     ` Hans de Goede
2021-10-25  9:41 ` [PATCH v4 05/11] clk: Introduce clk-tps68470 driver Hans de Goede
2021-10-25 11:24   ` Andy Shevchenko
2021-11-01 10:27     ` Hans de Goede
2021-11-01 10:42       ` Andy Shevchenko
2021-11-01 11:00         ` Hans de Goede
2021-11-01 11:11           ` Andy Shevchenko
2021-10-25  9:41 ` [PATCH v4 06/11] platform/x86: int3472: Enable I2c daisy chain Hans de Goede
2021-10-25  9:41 ` [PATCH v4 07/11] platform/x86: int3472: Split into 2 drivers Hans de Goede
2021-10-25  9:41 ` [PATCH v4 08/11] platform/x86: int3472: Add get_sensor_adev_and_name() helper Hans de Goede
2021-10-25 11:31   ` Andy Shevchenko
2021-11-01 10:31     ` Hans de Goede
2021-11-01 10:44       ` Andy Shevchenko
2021-11-01 10:46         ` Andy Shevchenko [this message]
2021-11-01 10:49           ` Hans de Goede
2021-11-01 10:51             ` Andy Shevchenko
2021-11-01 10:48         ` Hans de Goede
2021-10-25  9:41 ` [PATCH v4 09/11] platform/x86: int3472: Pass tps68470_clk_platform_data to the tps68470-regulator MFD-cell Hans de Goede
2021-10-25 11:33   ` Andy Shevchenko
2021-10-25  9:41 ` [PATCH v4 10/11] platform/x86: int3472: Pass tps68470_regulator_platform_data " Hans de Goede
2021-10-25 11:38   ` Andy Shevchenko
2021-11-01 11:31     ` Hans de Goede
2021-11-01 14:25       ` Andy Shevchenko
2021-10-25  9:41 ` [PATCH v4 11/11] platform/x86: int3472: Deal with probe ordering issues Hans de Goede
2021-10-25 11:40   ` Andy Shevchenko

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