- int old_vec_len = vec_len(*applied_hash_aces);
- vec_validate((*applied_hash_aces), old_vec_len + vec_len(ha->rules) - 1);
- _vec_len((*applied_hash_aces)) = old_vec_len;
+ if (vec_len(ha->rules) > 0) {
+ int old_vec_len = vec_len(*applied_hash_aces);
+ vec_validate((*applied_hash_aces), old_vec_len + vec_len(ha->rules) - 1);
+ _vec_len((*applied_hash_aces)) = old_vec_len;
+ }