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Message-ID: <ff735fbd-a0b4-6e-d3c9-a1358e9d9616@linux.intel.com>
Date: Thu, 4 Jan 2024 20:14:38 +0200 (EET)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Armin Wolf <W_Armin@....de>
cc: Hans de Goede <hdegoede@...hat.com>, platform-driver-x86@...r.kernel.org,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] platform/x86: wmi: Decouple legacy WMI notify handlers
from wmi_block_list
On Wed, 3 Jan 2024, Armin Wolf wrote:
> Until now, legacy WMI notify handler functions where using the
> wmi_block_list, which did no refcounting on the returned WMI device.
> This meant that the WMI device could disappear at any moment,
> potentially leading to various errors.
> Fix this by using bus_find_device() which returns an actual
> reference to the found WMI device.
>
> Tested on a Dell Inspiron 3505 and a Acer Aspire E1-731.
>
> Signed-off-by: Armin Wolf <W_Armin@....de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
--
i.
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