diff options
Diffstat (limited to 'src/ipcpd/normal/pol')
| -rw-r--r-- | src/ipcpd/normal/pol/graph.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/ipcpd/normal/pol/graph.c b/src/ipcpd/normal/pol/graph.c index 3611f0b0..9901fbaa 100644 --- a/src/ipcpd/normal/pol/graph.c +++ b/src/ipcpd/normal/pol/graph.c @@ -454,9 +454,10 @@ ssize_t graph_routing_table(struct graph * graph, pthread_mutex_lock(&graph->lock); - if (graph->nr_vertices == 0) { + /* We need at least 2 vertices for a table */ + if (graph->nr_vertices < 2) { pthread_mutex_unlock(&graph->lock); - return 0; + return -1; } prevs = dijkstra(graph, s_addr); |