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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index cb0ecd5b2e4b..a865df81a551 100644
--- 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;