powerpc/xive: Fix refcount leak in xivegetmax_prio
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 v5.4.211 by commit d99733ad47a6c990b52e136608455643bfa708f2, it was introduced in version v4.14 by commit eac1e731b59ee3b5f5e641a7765c7ed41ed26226. For more details please see the references link.