tty: usb-serial krefs

[linux-2.6-omap-h63xx.git] / drivers / usb / serial / mos7840.c

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 09d82062b97384f2402feda9f7401d75a76fb407..60543d79ef56b643d10b0ef78e0206cc717ae631 100644 (file)
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -709,12 +709,13 @@ static void mos7840_bulk_in_callback(struct urb *urb)
        dbg("%s", "Entering ........... \n");
 
        if (urb->actual_length) {
-               tty = mos7840_port->port->port.tty;
+               tty = tty_port_tty_get(&mos7840_port->port->port);
                if (tty) {
                        tty_buffer_request_room(tty, urb->actual_length);
                        tty_insert_flip_string(tty, data, urb->actual_length);
                        dbg(" %s \n", data);
                        tty_flip_buffer_push(tty);
+                       tty_kref_put(tty);
                }
                mos7840_port->icount.rx += urb->actual_length;
                smp_wmb();
@@ -773,10 +774,10 @@ static void mos7840_bulk_out_data_callback(struct urb *urb)
 
        dbg("%s \n", "Entering .........");
 
-       tty = mos7840_port->port->port.tty;
-
+       tty = tty_port_tty_get(&mos7840_port->port->port);
        if (tty && mos7840_port->open)
                tty_wakeup(tty);
+       tty_kref_put(tty);
 
 }