vhost-vdpa: fix an iotlb memory leak
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 v6.0.19 by commit 4e92cb33bfb51eee5f28bb10846c46f266a4bb67, it was introduced in version v5.19 by commit 037d4305569aacaa018a617771dccbb81cc60257. For more details please see the references link.