pstore/ram: Fix error return code in ramoops_probe()
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 v6.0.16 by commit 160d9b4e6adfd446c3781bea7029b89938b1a06d, it was introduced in version v4.8 by commit 35da60941e44dbf57868e67686dd24cc1a33125a. For more details please see the references link.