tty: usb-serial krefs

[pandora-kernel.git] / drivers / usb / serial / cypress_m8.c

diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 22837a3..f3514a9 100644 (file)
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1286,7 +1286,7 @@ static void cypress_read_int_callback(struct urb *urb)
        }
        spin_unlock_irqrestore(&priv->lock, flags);
 
-       tty = port->port.tty;
+       tty = tty_port_tty_get(&port->port);
        if (!tty) {
                dbg("%s - bad tty pointer - exiting", __func__);
                return;
@@ -1362,7 +1362,7 @@ static void cypress_read_int_callback(struct urb *urb)
                                        data[i]);
                        tty_insert_flip_char(tty, data[i], tty_flag);
                }
-               tty_flip_buffer_push(port->port.tty);
+               tty_flip_buffer_push(tty);
        }
 
        spin_lock_irqsave(&priv->lock, flags);
@@ -1371,6 +1371,7 @@ static void cypress_read_int_callback(struct urb *urb)
        spin_unlock_irqrestore(&priv->lock, flags);
 
 continue_read:
+       tty_kref_put(tty);
 
        /* Continue trying to always read... unless the port has closed. */