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Two structures, (struct dig and struct dynamic_rx_path_sel) contain a u8 member variable representing debug setting. In the file r8192U_dm.c these member variables, for both structures, are initialised to an enumerated constant 'DM_DBG_OFF'. The member variables are never assigned another value, other then off. Later in code the member variables are tested to for equality to 'DM_DBG_OFF' and if that is the case an assignment statement is executed. Since the value of the variables is always off the test is redundant and the conditional branch can just be executed without the test. Since the member variables are then actually used both have been removed, along with the enumerated type which defines debug status, on/off. These are coding style changes to remove unused or redundant code, there should be no impact on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.