}
/* compose route path with links */
- network_element_t gw_src, gw_dst, prev_gw_src, first_gw;
+ network_element_t gw_src = NULL, gw_dst, prev_gw_src, first_gw = NULL;
network_element_t gw_dst_net_elm = NULL, prev_gw_src_net_elm = NULL;
for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {