--- embedaddon/quagga/ospfd/ospf_asbr.c	2013/07/22 00:08:32	1.1.1.2.2.1
+++ embedaddon/quagga/ospfd/ospf_asbr.c	2016/11/02 10:09:12	1.1.1.3
@@ -44,7 +44,7 @@
 #include "ospfd/ospf_zebra.h"
 #include "ospfd/ospf_dump.h"
 
-
+
 /* Remove external route. */
 void
 ospf_external_route_remove (struct ospf *ospf, struct prefix_ipv4 *p)
@@ -96,7 +96,7 @@ ospf_external_route_lookup (struct ospf *ospf,
   return NULL;
 }
 
-
+
 /* Add an External info for AS-external-LSA. */
 struct external_info *
 ospf_external_info_new (u_char type)
@@ -136,7 +136,7 @@ ospf_route_map_set_compare (struct route_map_set_value
 /* Add an External info for AS-external-LSA. */
 struct external_info *
 ospf_external_info_add (u_char type, struct prefix_ipv4 p,
-			unsigned int ifindex, struct in_addr nexthop)
+			ifindex_t ifindex, struct in_addr nexthop)
 {
   struct external_info *new;
   struct route_node *rn;
@@ -165,7 +165,8 @@ ospf_external_info_add (u_char type, struct prefix_ipv
   new->nexthop = nexthop;
   new->tag = 0;
 
-  rn->info = new;
+  if (rn)
+    rn->info = new;
 
   if (IS_DEBUG_OSPF (lsa, LSA_GENERATE))
     zlog_debug ("Redistribute[%s]: %s/%d external info created.",
@@ -234,7 +235,7 @@ ospf_external_info_find_lsa (struct ospf *ospf,
   return lsa;
 }
 
-
+
 /* Update ASBR status. */
 void
 ospf_asbr_status_update (struct ospf *ospf, u_char status)
@@ -264,7 +265,7 @@ ospf_asbr_status_update (struct ospf *ospf, u_char sta
     }
 
   /* Transition from/to status ASBR, schedule timer. */
-  ospf_spf_calculate_schedule (ospf);
+  ospf_spf_calculate_schedule (ospf, SPF_FLAG_ASBR_STATUS_CHANGE);
   ospf_router_lsa_update (ospf);
 }