nfsd: under NFSv4.1, fix double svcxprtput on rpc_create failure
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 v5.15.86 by commit a472f069ced8601979f53c13c0cf20236074ed46, it was introduced in version v5.8 by commit a4abc6b12eb1f7a533c2e7484cfa555454ff0977. For more details please see the references link.