x86/hyperv: Fix NULL deref in sethvtscchange_cb() if Hyper-V setup fails
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 v5.10.82 by commit 9c177eee116cf888276d3748cb176e72562cfd5c, it was introduced in version v4.16 by commit 93286261de1b46339aa27cd4c639b21778f6cade. For more details please see the references link.