ceph: fix inode reference leakage in cephgetsnapdir()
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 v5.16.20 by commit 9cd21981dedfb4fe9f344529e4be35727cb10940. For more details please see the references link.