USB: pl2303: use generic close

Use usb_serial_generic_close to kill the read and write urbs and to
reset the write fifo.

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

1 files changed, 1 insertions, 12 deletions

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 28037c1af93e..18d1c44faa51 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -456,21 +456,10 @@ static void pl2303_dtr_rts(struct usb_serial_port *port, int on)
 
 static void pl2303_close(struct usb_serial_port *port)
 {
-        unsigned long flags;
-
         dbg("%s - port %d", __func__, port->number);
 
-        spin_lock_irqsave(&port->lock, flags);
-        /* clear out any remaining data in the buffer */
-        kfifo_reset_out(&port->write_fifo);
-        spin_unlock_irqrestore(&port->lock, flags);
-
-        /* 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);
         usb_kill_urb(port->interrupt_in_urb);
-
 }
 
 static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)