diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c
index 4daf962..e539621 100644
--- a/drivers/tty/ipwireless/tty.c
+++ b/drivers/tty/ipwireless/tty.c
@@ -565,11 +565,11 @@
 			ttyj->closing = 1;
 			if (ttyj->linux_tty != NULL) {
 				mutex_unlock(&ttyj->ipw_tty_mutex);
-				tty_hangup(ttyj->linux_tty);
-				/* Wait till the tty_hangup has completed */
-				flush_work_sync(&ttyj->linux_tty->hangup_work);
+				tty_vhangup(ttyj->linux_tty);
 				/* FIXME: Exactly how is the tty object locked here
 				   against a parallel ioctl etc */
+				/* FIXME2: hangup does not mean all processes
+				 * are gone */
 				mutex_lock(&ttyj->ipw_tty_mutex);
 			}
 			while (ttyj->open_count)