net: stmmac: ptp: fix potentially overflowing expression
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.12 by commit be2473e5f377fb7fe471a5096f37a2d73a8367e6, it was introduced in version v5.14 by commit e9e3720002f61cd637a49ecafae77cac230eefae. For more details please see the references link.