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Documentation/process/deprecated.rst recommends against performing dynamic size calculations in the arguments of memory allocator functions due to the risk of overflow. Such calculations can wrap around and result in a smaller allocation than expected. Replace the size calculation in cfiq allocation with struct_size() helper to make the code clearer and handle overflows correctly. Signed-off-by: Rahul Kumar <rk0006818@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>