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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>