Make error message better on tc with wrong args.

ChangeLog

+2006-03-10 Dale Sedivec <darkness@caliginous.net>
+	
+	* Warn when using "handle" instead of "classid" with "tc class"
+
 2006-03-10  Jean Tourrilhes <jt@hpl.hp.com>
 
 	* Fix endless loop in netlink error handling

tc/tc_class.c

@@ -76,7 +76,10 @@ int tc_class_modify(int cmd, unsigned flags, int argc, char **argv)
 			if (get_tc_classid(&handle, *argv))
 				invarg(*argv, "invalid class ID");
 			req.t.tcm_handle = handle;
-		} else if (strcmp(*argv, "root") == 0) {
+		} else if (strcmp(*argv, "handle") == 0) {
+			fprintf(stderr, "Error: try \"classid\" instead of \"handle\"\n");
+			return -1;
+ 		} else if (strcmp(*argv, "root") == 0) {
 			if (req.t.tcm_parent) {
 				fprintf(stderr, "Error: \"root\" is duplicate parent ID.\n");
 				return -1;