Make error message better on tc with wrong args.
diff --git a/tc/tc_class.c b/tc/tc_class.c
index c4b27eb..894caa1 100644
--- a/tc/tc_class.c
+++ b/tc/tc_class.c
@@ -76,7 +76,10 @@
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;