Fix segfault when ospf6_create() is not called yet.

Thanks to Mohit Thakur.

1 files changed, 3 insertions, 0 deletions

diff --git a/ospf6d/ospf6_zebra.c b/ospf6d/ospf6_zebra.c
index bdd3babc..bc15dff6 100644
--- a/ospf6d/ospf6_zebra.c
+++ b/ospf6d/ospf6_zebra.c
@@ -57,6 +57,9 @@ ospf6_router_id_update_zebra (int command, struct zclient *zclient,
   zebra_router_id_update_read(zclient->ibuf,&router_id);
   router_id_zebra = router_id.u.prefix4;
 
+  if (o == NULL)
+    return 0;
+
   if (o->router_id  == 0)
     o->router_id = (u_int32_t) router_id_zebra.s_addr;