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09c033b665
Making the cast right for get_user/put_user is not trivial, as it needs to ensure that the types are the correct ones. Improve it by using macros. Tested with vivid with: $ sudo modprobe vivid no_error_inj=1 $ v4l2-compliance-32bits -a -s10 >32bits && v4l2-compliance-64bits -a -s10 > 64bits && diff -U0 32bits 64bits --- 32bits 2018-04-17 11:18:29.141240772 -0300 +++ 64bits 2018-04-17 11:18:40.635282341 -0300 @@ -1 +1 @@ -v4l2-compliance SHA : bc71e4a67c6fbc5940062843bc41e7c8679634ce, 32 bits +v4l2-compliance SHA : bc71e4a67c6fbc5940062843bc41e7c8679634ce, 64 bits Using the latest version of v4l-utils with this patch applied: https://patchwork.linuxtv.org/patch/48746/ Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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.