--- mingetty-1.01/mingetty.c.orig	2003-02-24 19:40:33 +0300
+++ mingetty-1.01/mingetty.c	2003-02-24 19:41:42 +0300
@@ -185,8 +185,8 @@
 	if (!isatty (fd))
 		error ("%s: not a tty", buf);
 
-	if (! nohangup)
-		vhangup ();
+	if (!nohangup && vhangup ())
+		error ("vhangup: %s", strerror(errno));
 	/* Get rid of the present stdout/stderr. */
 	close (2);
 	close (1);