+/* Push data to tty layer and resubmit the bulk read URB */
+static void flush_and_resubmit_read_urb (struct usb_serial_port *port)
+{
+ struct urb *urb = port->read_urb;
+ struct tty_struct *tty = port->tty;
+ int room;
+
+ /* Push data to tty */
+ if (tty && urb->actual_length) {
+ room = tty_buffer_request_room(tty, urb->actual_length);
+ if (room) {
+ tty_insert_flip_string(tty, urb->transfer_buffer, room);
+ tty_flip_buffer_push(tty); /* is this allowed from an URB callback ? */
+ }
+ }
+
+ resubmit_read_urb(port, GFP_ATOMIC);
+}
+