speedup checking for loops
diff --git a/ebtables.c b/ebtables.c
index 1b819cd..6de714f 100644
--- a/ebtables.c
+++ b/ebtables.c
@@ -1170,9 +1170,14 @@
rule_nr--;
rule_nr_end = rule_nr;
- ebt_check_for_loops(replace);
- if (ebt_errormsg[0] != '\0')
- goto delete_the_rule;
+ /* a jump to a udc requires checking for loops */
+ if (!strcmp(new_entry->t->u.name, EBT_STANDARD_TARGET) &&
+ ((struct ebt_standard_target *)(new_entry->t))->verdict >= 0) {
+ /* FIXME: this can be done faster */
+ ebt_check_for_loops(replace);
+ if (ebt_errormsg[0] != '\0')
+ goto delete_the_rule;
+ }
/* Do the final_check(), for all entries.
* This is needed when adding a rule that has a chain target */