efi: fix NULL-deref in init error path
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 v5.10.164 by commit 4ca71bc0e1995d15486cd7b60845602a28399cb5, it was introduced in version v5.9 by commit 98086df8b70c06234a8f4290c46064e44dafa0ed. For more details please see the references link.