diff --git a/[refs] b/[refs]
index 539b56a801ef..d01984e147df 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 25c77b329467d563ec1fa5c3efab0b13996ce810
+refs/heads/master: 8c1527132c25512563b197b35453c7da22b4d699
diff --git a/trunk/drivers/usb/serial/option.c b/trunk/drivers/usb/serial/option.c
index 819266b7e2f8..5ca04e82ea19 100644
--- a/trunk/drivers/usb/serial/option.c
+++ b/trunk/drivers/usb/serial/option.c
@@ -625,6 +625,9 @@ static int option_send_setup(struct usb_serial_port *port)
 
 	dbg("%s", __FUNCTION__);
 
+	if (port->number != 0)
+		return 0;
+
 	portdata = usb_get_serial_port_data(port);
 
 	if (port->tty) {