return negotiate2(r);
                } else if (r.getDialectRevision() != Smb2Constants.SMB2_DIALECT_0202) {
                    throw new CIFSException("Server returned invalid dialect verison in multi protocol negotiation");
                }

                final int permits = r.getInitialCredits();
                if (permits > 0) {
                    this.credits.release(permits);
                }