cifs: fix double free race when mount fails in cifsgetroot()
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 v5.10.104 by commit df9db1a2af37f39ad1653c7b9b0d275d72d0bc67. For more details please see the references link.