USB: serial: refactor generic close

Export usb_serial_generic_close so that drivers can easily kill the read
and write urb and make sure that the write fifo is reset.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 2849f8c32015..7aa01b95b1d4 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -549,12 +549,9 @@ static void mct_u232_close(struct usb_serial_port *port)
 {
         dbg("%s port %d", __func__, port->number);
 
-        if (port->serial->dev) {
-                /* shutdown our urbs */
-                usb_kill_urb(port->write_urb);
-                usb_kill_urb(port->read_urb);
+        usb_serial_generic_close(port);
+        if (port->serial->dev)
                 usb_kill_urb(port->interrupt_in_urb);
-        }
 } /* mct_u232_close */