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[ Upstream commit171994e498] UBSAN reports a shift-out-of-bounds warning in uvc_get_le_value(). The report is correct, but the issue should be harmless as the computed value isn't used when the shift is negative. This may however cause incorrect behaviour if a negative shift could generate adverse side effects (such as a trap on some architectures for instance). Regardless of whether that may happen or not, silence the warning as a full WARN backtrace isn't nice. Reported-by: Bart Van Assche <bvanassche@acm.org> Fixes:c0efd23292("V4L/DVB (8145a): USB Video Class driver") Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Tested-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> 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.