tty: usb-serial krefs

[pandora-kernel.git] / drivers / usb / serial / generic.c

diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index fe84c88..814909f 100644 (file)
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -330,7 +330,7 @@ static void resubmit_read_urb(struct usb_serial_port *port, gfp_t mem_flags)
 static void flush_and_resubmit_read_urb(struct usb_serial_port *port)
 {
        struct urb *urb = port->read_urb;
-       struct tty_struct *tty = port->port.tty;
+       struct tty_struct *tty = tty_port_tty_get(&port->port);
        int room;
 
        /* Push data to tty */
@@ -341,6 +341,7 @@ static void flush_and_resubmit_read_urb(struct usb_serial_port *port)
                        tty_flip_buffer_push(tty);
                }
        }
+       tty_kref_put(tty);
 
        resubmit_read_urb(port, GFP_ATOMIC);
 }