NFSv4: Fix a credential leak in _nfs4_discover_trunking()
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 c6aca4c7ba8f6d40a0cfeeb09160dd8efdf97c64, it was introduced in version v5.15.77 by commit ead049562758cc415437c0e99b09ce5eb2ab3dc0. For more details please see the references link.