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 v5.15.89 by commit e2ea55564229e4bea1474af15b111b3a3043b76f, it was introduced in version v5.9 by commit 98086df8b70c06234a8f4290c46064e44dafa0ed. For more details please see the references link.