{
oldheap = clib_mem_set_heap (h->mheap);
vec_validate (h->working_copies, thread_index);
- vec_validate (h->working_copy_lengths, thread_index);
- h->working_copy_lengths[thread_index] = -1;
+ vec_validate_init_empty (h->working_copy_lengths, thread_index, ~0);
clib_mem_set_heap (oldheap);
}