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 v4.14.291 by commit 5ed9709d262bf026b2ff64979fbfe0f496287588, it was introduced in version v4.14 by commit eac1e731b59ee3b5f5e641a7765c7ed41ed26226. For more details please see the references link.