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4b2a170c25
commit 67d15c7aa0864dfd82325c7e7e7d8548b5224c7b upstream.
These are u64 variables that come from the user via
qaic_attach_slice_bo_ioctl(). Use check_add_overflow() to ensure that
the math doesn't have an integer wrapping bug.
Cc: stable@vger.kernel.org
Fixes: ff13be8303 ("accel/qaic: Add datapath")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Signed-off-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/176388fa-40fe-4cb4-9aeb-2c91c22130bd@stanley.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.