x86/xen: Fix memory leak in xensmpintr_init{_pv}()
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 23aef94eea714b721546c0c49a324a8da8d00fb5, it was introduced in version v2.6.24 by commit 9702785a747aa27baf46ff504beab6528f21f2dd. For more details please see the references link.