Let the kememdup_array() take care about multiplication and possible
overflows.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240606161028.2986587-4-andriy.shevchenko@linux.intel.comSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>