[ospfd] Check NULL result from ospf_area_lookup_by_area_id, CID #69

2006-05-11 Paul Jakma <paul.jakma@sun.com>

	* ospf_vty.c: (no_ospf_area_filter_list) Check NULL result from
	  ospf_area_lookup_by_area_id, fixes Coverity CID #69
diff --git a/ospfd/ospf_vty.c b/ospfd/ospf_vty.c
index c5a69dc..8d6ff31 100644
--- a/ospfd/ospf_vty.c
+++ b/ospfd/ospf_vty.c
@@ -1896,7 +1896,9 @@
 
   VTY_GET_OSPF_AREA_ID (area_id, format, argv[0]);
 
-  area = ospf_area_lookup_by_area_id (ospf, area_id);
+  if ((area = ospf_area_lookup_by_area_id (ospf, area_id)) == NULL)
+    return CMD_SUCCESS;
+  
   plist = prefix_list_lookup (AFI_IP, argv[1]);
   if (strncmp (argv[2], "in", 2) == 0)
     {