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 v5.4.198 by commit 09a5958a2452ad22d0cb638711ef34ea1863a829. For more details please see the references link.