Index: geom_ctl.c
===================================================================
RCS file: /usr/repo/src/sys/geom/geom_ctl.c,v
retrieving revision 1.35
diff -u -p -r1.35 geom_ctl.c
--- geom_ctl.c	8 Apr 2005 09:28:08 -0000	1.35
+++ geom_ctl.c	15 May 2005 07:06:23 -0000
@@ -341,6 +341,7 @@ gctl_get_asciiparam(struct gctl_req *req
 		}
 		return (p);
 	}
+	gctl_error(req, "Missing %s argument", param);
 	return (NULL);
 }