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The following warning is given by the Smatch static checker: drivers/hwmon/hp-wmi-sensors.c:1937 hp_wmi_sensors_init() error: uninitialized symbol 'pevents'. If there are no instances of the HPBIOS_PlatformEvents WMI object available, init_platform_events() never initializes this pointer, which may then be passed to hp_wmi_debugfs_init() uninitialized. The impact should be limited because hp_wmi_debugfs_init() uses this pointer only if the count of HPBIOS_PlatformEvents instances is _not_ zero, while conversely, it will be uninitialized only if the count of such instances _is_ zero. However, passing it uninitialized still constitutes a bug. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/linux-hwmon/f72c129b-8c57-406a-bf41-bd889b65ea0f@moroto.mountain/ Signed-off-by: James Seo <james@equiv.tech> Link: https://lore.kernel.org/r/20230725094817.588640-1-james@equiv.tech Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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.