ospfd: use IS_LSA_SELF() where appropriate
diff --git a/ospfd/ospf_lsa.c b/ospfd/ospf_lsa.c
index fa36a02..d5959eb 100644
--- a/ospfd/ospf_lsa.c
+++ b/ospfd/ospf_lsa.c
@@ -2838,7 +2838,7 @@
           OSPF_TIMER_ON (ospf->t_maxage, ospf_maxage_lsa_remover, 0);
           
         /* Remove LSA from the LSDB */
-        if (CHECK_FLAG (lsa->flags, OSPF_LSA_SELF))
+        if (IS_LSA_SELF (lsa))
           if (IS_DEBUG_OSPF (lsa, LSA_FLOODING))
             zlog_debug ("LSA[Type%d:%s]: LSA 0x%lx is self-originated: ",
                        lsa->data->type, inet_ntoa (lsa->data->id), (u_long)lsa);
@@ -3389,7 +3389,7 @@
 
   /* This LSA is already checked. */
   if (CHECK_FLAG (lsa->flags, OSPF_LSA_SELF_CHECKED))
-    return CHECK_FLAG (lsa->flags, OSPF_LSA_SELF);
+    return IS_LSA_SELF (lsa);
 
   /* Make sure LSA is self-checked. */
   SET_FLAG (lsa->flags, OSPF_LSA_SELF_CHECKED);
@@ -3414,11 +3414,11 @@
 	      {
 		/* to make it easier later */
 		SET_FLAG (lsa->flags, OSPF_LSA_SELF);
-		return CHECK_FLAG (lsa->flags, OSPF_LSA_SELF);
+		return IS_LSA_SELF (lsa);
 	      }
       }
 
-  return CHECK_FLAG (lsa->flags, OSPF_LSA_SELF);
+  return IS_LSA_SELF (lsa);
 }
 
 /* Get unique Link State ID. */
@@ -3541,6 +3541,7 @@
   struct external_info *ei;
   struct ospf_lsa *new = NULL;
   assert (CHECK_FLAG (lsa->flags, OSPF_LSA_SELF));
+  assert (IS_LSA_SELF (lsa));
   assert (lsa->lock > 0);
 
   switch (lsa->data->type)
@@ -3589,7 +3590,7 @@
   u_int16_t index, current_index;
   
   assert (lsa->lock > 0);
-  assert (CHECK_FLAG (lsa->flags, OSPF_LSA_SELF));
+  assert (IS_LSA_SELF (lsa));
 
   if (lsa->refresh_list < 0)
     {
@@ -3632,7 +3633,7 @@
 ospf_refresher_unregister_lsa (struct ospf *ospf, struct ospf_lsa *lsa)
 {
   assert (lsa->lock > 0);
-  assert (CHECK_FLAG (lsa->flags, OSPF_LSA_SELF));
+  assert (IS_LSA_SELF (lsa));
   if (lsa->refresh_list >= 0)
     {
       struct list *refresh_list = ospf->lsa_refresh_queue.qs[lsa->refresh_list];