Let the kememdup_array() take care about multiplication and possible overflows. Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com> Link: https://lore.kernel.org/20240826074037.2313468-1-yujiaoliang@vivo.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>