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Armin Wolf 549b755efa platform/x86: wmi: Fix error handling in legacy WMI notify handler functions [ Upstream commit `6ba7843b59` ] When wmi_install_notify_handler()/wmi_remove_notify_handler() are unable to enable/disable the WMI device, they unconditionally return an error to the caller. When registering legacy WMI notify handlers, this means that the callback remains registered despite wmi_install_notify_handler() having returned an error. When removing legacy WMI notify handlers, this means that the callback is removed despite wmi_remove_notify_handler() having returned an error. Fix this by only warning when the WMI device could not be enabled. This behaviour matches the bus-based WMI interface. Tested on a Dell Inspiron 3505 and a Acer Aspire E1-731. Fixes: `58f6425eb9` ("WMI: Cater for multiple events with same GUID") Signed-off-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20240103192707.115512-2-W_Armin@gmx.de Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2024-01-31 16:21:19 -08:00
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.