tty: serial: 8250: serial_cs: Fix a memory leak in error handling path
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 v5.13.4 by commit b2ef1f5de40342de44fc5355321595f91774dab5. For more details please see the references link.