+ if (serial->type->set_termios) {
+ /*
+ * allocate a fake tty so the driver can initialize
+ * the termios structure, then later call set_termios to
+ * configure according to command line arguments
+ */
+ tty = kzalloc(sizeof(*tty), GFP_KERNEL);
+ if (!tty) {
+ retval = -ENOMEM;
+ err("no more memory");
+ goto reset_open_count;
+ }
+ termios = kzalloc(sizeof(*termios), GFP_KERNEL);
+ if (!termios) {
+ retval = -ENOMEM;
+ err("no more memory");
+ goto free_tty;
+ }
+ memset(&dummy, 0, sizeof(struct ktermios));
+ tty->termios = termios;
+ port->tty = tty;
+ }
+