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[ Upstream commit a1e2da6a5072f8abe5b0feaa91a5bcd9dc544a04 ] It is possible, although unlikely, that an integer overflow will occur when the result of radeon_get_ib_value() is shifted to the left. Avoid it by casting one of the operands to larger data type (u64). Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE. Signed-off-by: Igor Artemiev <Igor.A.Artemiev@mcst.ru> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Sasha Levin <sashal@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.