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In mtk_flow_entry_update_l2, the hwe->ib1 is read using READ_ONCE at the beginning of the function, checked, and then re-read from hwe->ib1, may void all guarantees of the checks. Reuse the value that was read by READ_ONCE to ensure the consistency of the ib1 throughout the function. Signed-off-by: linke li <lilinke99@qq.com> Link: https://lore.kernel.org/r/tencent_C699E9540505523424F11A9BD3D21B86840A@qq.com Signed-off-by: Paolo Abeni <pabeni@redhat.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 reStructuredText 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.