x86/xen: Fix memory leak in xeninitlock_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 v4.9.337 by commit 9278bdbb566656b3704704f8dd6cbc24a6fcc569, it was introduced in version v2.6.27 by commit 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79. For more details please see the references link.