diff --git a/[refs] b/[refs]
index 0fc06961041c..f057f3e5e70f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0fb7f4f0cef8e7d2944189ff2cb68694ef4b683a
+refs/heads/master: fce4877a6792ad72b88f6fd7556d19da5f20364d
diff --git a/trunk/drivers/usb/serial/usb-serial.c b/trunk/drivers/usb/serial/usb-serial.c
index 8be3f39891c7..794b5ffe4397 100644
--- a/trunk/drivers/usb/serial/usb-serial.c
+++ b/trunk/drivers/usb/serial/usb-serial.c
@@ -281,6 +281,7 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
 			if (tty->driver_data)
 				tty->driver_data = NULL;
 			tty_port_tty_set(&port->port, NULL);
+			tty_kref_put(tty);
 		}
 	}