GSD-2021-1000748 net: caif: add proper error handling

net: caif: add proper error handling 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 v5.4.125 by commit c97cdb70b72d0eb81ad43c8722a78522c4a9b5be...