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-rw-r--r--vnet/vnet/ip/ip6_neighbor.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/vnet/vnet/ip/ip6_neighbor.c b/vnet/vnet/ip/ip6_neighbor.c
index 3aef2326237..5482a58be74 100644
--- a/vnet/vnet/ip/ip6_neighbor.c
+++ b/vnet/vnet/ip/ip6_neighbor.c
@@ -766,14 +766,17 @@ show_ip6_neighbors (vlib_main_t * vm,
ns = 0;
pool_foreach (n, nm->neighbor_pool, ({ vec_add1 (ns, n[0]); }));
- vec_sort_with_function (ns, ip6_neighbor_sort);
- vlib_cli_output (vm, "%U", format_ip6_neighbor_ip6_entry, vm, 0);
- vec_foreach (n, ns) {
- if (sw_if_index != ~0 && n->key.sw_if_index != sw_if_index)
- continue;
- vlib_cli_output (vm, "%U", format_ip6_neighbor_ip6_entry, vm, n);
- }
- vec_free (ns);
+ if (ns)
+ {
+ vec_sort_with_function (ns, ip6_neighbor_sort);
+ vlib_cli_output (vm, "%U", format_ip6_neighbor_ip6_entry, vm, 0);
+ vec_foreach (n, ns) {
+ if (sw_if_index != ~0 && n->key.sw_if_index != sw_if_index)
+ continue;
+ vlib_cli_output (vm, "%U", format_ip6_neighbor_ip6_entry, vm, n);
+ }
+ vec_free (ns);
+ }
return error;
}