x86/xen: Fix memory leak in xen_init_lock_cpu()
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 70966d6b0f59f795b08a70adf5e4478348ecbfbb, it was introduced in version v2.6.27 by commit 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79. For more details please see the references link.