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commit5f38b06db8upstream. clang static analysis flags this represenative problem thinkpad_acpi.c:2523:7: warning: Branch condition evaluates to a garbage value if (!oldn->mute || ^~~~~~~~~~~ In hotkey_kthread() mute is conditionally set by hotkey_read_nvram() but unconditionally checked by hotkey_compare_and_issue_event(). So the tp_nvram_state variable s[2] needs to be initialized. Fixes:01e88f2598("ACPI: thinkpad-acpi: add CMOS NVRAM polling for hot keys (v9)") Signed-off-by: Tom Rix <trix@redhat.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Acked-by: mark gross <mgross@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.