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Xu Wang
352ff3f3d4
In ia_css_frame_map, the check of 'err' is unneeded to be done twice. Link: https://lore.kernel.org/linux-media/20211110094910.67951-1-vulab@iscas.ac.cn Signed-off-by: Xu Wang <vulab@iscas.ac.cn> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@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.