USB: ftdi_sio: clean up device initialisation
Do not use zeroed termios data to determine when to unconditionally
configure the device at open.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 7260ec6..abcaeaf 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1842,7 +1842,6 @@
static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct ktermios dummy;
struct usb_device *dev = port->serial->dev;
struct ftdi_private *priv = usb_get_serial_port_data(port);
@@ -1858,10 +1857,8 @@
This is same behaviour as serial.c/rs_open() - Kuba */
/* ftdi_set_termios will send usb control messages */
- if (tty) {
- memset(&dummy, 0, sizeof(dummy));
- ftdi_set_termios(tty, port, &dummy);
- }
+ if (tty)
+ ftdi_set_termios(tty, port, NULL);
return usb_serial_generic_open(tty, port);
}