--- embedaddon/quagga/ospfd/ospf_ase.c	2012/10/09 09:22:29	1.1.1.2
+++ embedaddon/quagga/ospfd/ospf_ase.c	2016/11/02 10:09:12	1.1.1.3
@@ -636,6 +636,7 @@ ospf_ase_calculate_timer (struct thread *t)
   struct route_node *rn;
   struct listnode *node;
   struct ospf_area *area;
+  struct timeval start_time, stop_time;
 
   ospf = THREAD_ARG (t);
   ospf->t_ase_calc = NULL;
@@ -644,6 +645,8 @@ ospf_ase_calculate_timer (struct thread *t)
     {
       ospf->ase_calc = 0;
 
+      quagga_gettime(QUAGGA_CLK_MONOTONIC, &start_time);
+
       /* Calculate external route for each AS-external-LSA */
       LSDB_LOOP (EXTERNAL_LSDB (ospf), rn, lsa)
 	ospf_ase_calculate_route (ospf, lsa);
@@ -673,6 +676,12 @@ ospf_ase_calculate_timer (struct thread *t)
       ospf_route_table_free (ospf->old_external_route);
       ospf->old_external_route = ospf->new_external_route;
       ospf->new_external_route = route_table_init ();
+
+      quagga_gettime(QUAGGA_CLK_MONOTONIC, &stop_time);
+
+      zlog_info ("SPF Processing Time(usecs): External Routes: %lld\n",
+		 (stop_time.tv_sec - start_time.tv_sec)*1000000LL+
+		 (stop_time.tv_usec - start_time.tv_usec));
     }
   return 0;
 }
@@ -714,6 +723,8 @@ ospf_ase_register_external_lsa (struct ospf_lsa *lsa, 
   rn = route_node_get (top->external_lsas, (struct prefix *) &p);
   if ((lst = rn->info) == NULL)
     rn->info = lst = list_new();
+  else
+    route_unlock_node (rn);
 
   /* We assume that if LSA is deleted from DB
      is is also deleted from this RT */
@@ -734,13 +745,13 @@ ospf_ase_unregister_external_lsa (struct ospf_lsa *lsa
   p.prefixlen = ip_masklen (al->mask);
   apply_mask_ipv4 (&p);
 
-  rn = route_node_get (top->external_lsas, (struct prefix *) &p);
-  lst = rn->info;
+  rn = route_node_lookup (top->external_lsas, (struct prefix *) &p);
 
-  /* XXX lst can be NULL */
-  if (lst) {
+  if (rn) {
+    lst = rn->info;
     listnode_delete (lst, lsa);
     ospf_lsa_unlock (&lsa); /* external_lsas list */
+    route_unlock_node (rn);
   }
 }
 
@@ -812,6 +823,7 @@ ospf_ase_incremental_update (struct ospf *ospf, struct
     {
       rn2 = route_node_get (tmp_old, (struct prefix *) &p);
       rn2->info = rn->info;
+      route_unlock_node (rn);
     }
 
   /* install changes to zebra */
@@ -835,7 +847,6 @@ ospf_ase_incremental_update (struct ospf *ospf, struct
       if (rn)
 	{
 	  rn->info = NULL;
-	  route_unlock_node (rn);
 	  route_unlock_node (rn);
 	}
     }