NVMe status codes are part of the wire protocol, and shouldn't be
fabricated in the stack. So with this patch the authentication code
is switched over to use error codes; as a side effect authentication
failures due to internal error won't be retried anymore.
But that shouldn't have happened anyway.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>