cifs: Return correct error code from smb2_get_enc_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 v5.10.36 by commit aaa0faa5c28a91c362352d6b35dc3ed10df56fb0, it was introduced in version v4.11 by commit 61cfac6f267dabcf2740a7ec8a0295833b28b5f5. For more details please see the references link.