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31b8b0bd6e
While this might not occur in practice, if the device is doing the right thing, it would be teoretically be possible to have both hsync_counter and vsync_counter negatives. If this ever happen, ctrl will be undefined, but the driver will still call: aspeed_video_update(video, VE_CTRL, 0, ctrl); Change the code to prevent this to happen. This was warned by cppcheck: [drivers/media/platform/aspeed-video.c:653]: (error) Uninitialized variable: ctrl Reviewed-by: Eddie James <eajames@linux.ibm.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.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.