USB: option: termios handling

For the devices that have no hardware settings set up the termios return
properly.

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>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index b1c91818fe8..4590124cf88 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -313,7 +313,8 @@ static void option_set_termios(struct usb_serial_port *port,
                         struct ktermios *old_termios)
 {
         dbg("%s", __FUNCTION__);
-
+        /* Doesn't support option setting */
+        tty_termios_copy_hw(port->tty->termios, old_termios);
         option_send_setup(port);
 }