USB: ftdi_sio.c:Fill TX field of the ftdi async_icount structure

Signed-off-by: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index cb0ecd5..a865df8 100644 (file)
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1918,6 +1918,7 @@ static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
                        c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
                        if (!c)
                                break;
+                       priv->icount.tx += c;
                        buffer[i] = (c << 2) + 1;
                        count += c + 1;
                }
@@ -1925,6 +1926,7 @@ static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
        } else {
                count = kfifo_out_locked(&port->write_fifo, dest, size,
                                                                &port->lock);
+               priv->icount.tx += count;
        }
 
        return count;