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 v4.19.198 by commit cddee5c287e26f6b2ba5c0ffdfc3a846f2f10461. For more details please see the references link.