Decode and DecodeTyped one way

Author: DerekBum

dial.go

@@ -400,14 +400,14 @@ func identify(w writeFlusher, r io.Reader) (ProtocolInfo, error) {
 
 	resp, err := readResponse(r)
 	if err != nil {
-		if iproto.Error(resp.Header().Code) == iproto.ER_UNKNOWN_REQUEST_TYPE {
-			// IPROTO_ID requests are not supported by server.
-			return info, nil
-		}
 		return info, err
 	}
 	data, err := resp.Decode()
 	if err != nil {
+		if iproto.Error(resp.Header().Code) == iproto.ER_UNKNOWN_REQUEST_TYPE {
+			// IPROTO_ID requests are not supported by server.
+			return info, nil
+		}
 		return info, err
 	}