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 v5.15.47 by commit 2cbfc38df580bff5b2fe19f21c1a7520efcc4b3b. For more details please see the references link.