drivers: tty: serial: Fix deadlock in sa1100settermios()
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 v4.19.247 by commit 920f0ae7a129ffee98a106e3bbdfd61a2a59e939. For more details please see the references link.