tc filter help should just print usage

Doing tc filter help should end argument processing.
This prevents extraneous messages.  Reported by Marcela Maslanova

diff --git a/tc/tc_filter.c b/tc/tc_filter.c
index 177446ef0d160cd007fba83465cd9037f9563fe1..919c57c133681f0f066bcd3adb978feda719e118 100644 (file)
--- a/tc/tc_filter.c
+++ b/tc/tc_filter.c
@@ -121,6 +121,7 @@ int tc_filter_modify(int cmd, unsigned flags, int argc, char **argv)
                                return -1;
                } else if (matches(*argv, "help") == 0) {
                        usage();
+                       return 0;
                } else {
                        strncpy(k, *argv, sizeof(k)-1);