diff --git a/[refs] b/[refs]
index bbbae23e6d7f..bcdecd8c4f42 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 265d6f00e79166c145421cbca06a20f33332b29f
+refs/heads/master: 4330d663fed02ace2feba1ab3795ab0c08148a28
diff --git a/trunk/drivers/isdn/i4l/isdn_tty.c b/trunk/drivers/isdn/i4l/isdn_tty.c
index ee8ba87ac524..50d7246b37a1 100644
--- a/trunk/drivers/isdn/i4l/isdn_tty.c
+++ b/trunk/drivers/isdn/i4l/isdn_tty.c
@@ -1699,13 +1699,8 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
 	tty_ldisc_flush(tty);
 	port->tty = NULL;
 	info->ncarrier = 0;
-	tty->closing = 0;
-	if (port->blocked_open) {
-		msleep_interruptible(500);
-		wake_up_interruptible(&port->open_wait);
-	}
-	port->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
-	wake_up_interruptible(&port->close_wait);
+
+	tty_port_close_end(port, tty);
 #ifdef ISDN_DEBUG_MODEM_OPEN
 	printk(KERN_DEBUG "isdn_tty_close normal exit\n");
 #endif