while (vat_time_now (vam) < timeout) {
if (vam->result_ready == 1) {
u8 * free_me;
- fformat (vam->ofp, "%s", vam->shmem_result);
+ if (vam->shmem_result != NULL)
+ fformat (vam->ofp, "%s", vam->shmem_result);
pthread_mutex_lock (&am->vlib_rp->mutex);
oldheap = svm_push_data_heap (am->vlib_rp);