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, 1 insertions, 4 deletions

diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 705a7e7a9746..fa4fb5e0cf12 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -422,10 +422,7 @@ static void cp210x_close(struct usb_serial_port *port)
 {
         dbg("%s - port %d", __func__, port->number);
 
-        /* shutdown our urbs */
-        dbg("%s - shutting down urbs", __func__);
-        usb_kill_urb(port->write_urb);
-        usb_kill_urb(port->read_urb);
+        usb_serial_generic_close(port);
 
         mutex_lock(&port->serial->disc_mutex);
         if (!port->serial->disconnected)