USB: ir_usb: termios handling

- Clean up paranoia checks
- Propogate back a correct fixed termios

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 5ab6a0c..6b803ab 100644 (file)
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -504,11 +504,6 @@ static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_t
 
        dbg("%s - port %d", __FUNCTION__, port->number);
 
-       if ((!port->tty) || (!port->tty->termios)) {
-               dbg("%s - no tty structures", __FUNCTION__);
-               return;
-       }
-
        baud = tty_get_baud_rate(port->tty);
 
        /*
@@ -531,8 +526,6 @@ static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_t
                default:
                        ir_baud = SPEED_9600;
                        baud = 9600;
-                       /* And once the new tty stuff is all done we need to
-                          call back to correct the baud bits */
        }
 
        if (xbof == -1)
@@ -562,6 +555,10 @@ static void ir_set_termios (struct usb_serial_port *port, struct ktermios *old_t
        result = usb_submit_urb (port->write_urb, GFP_KERNEL);
        if (result)
                dev_err(&port->dev, "%s - failed submitting write urb, error %d\n", __FUNCTION__, result);
+
+       /* Only speed changes are supported */
+       tty_termios_copy_hw(port->tty->termios, old_termios);
+       tty_encode_baud_rate(port->tty, baud, baud);
 }