cifs: Return correct error code from smb2getenc_key
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 v5.12.3 by commit b399c1a3ea0b9d10047ff266d65533df7f15532f, it was introduced in version v4.11 by commit 61cfac6f267dabcf2740a7ec8a0295833b28b5f5. For more details please see the references link.