ospf6d: clean coverity warning of possible null pointer

Add assert to protect it.

Signed-off-by: anlan_cs <anlan_cs@tom.com>

diff --git a/ospf6d/ospf6_abr.c b/ospf6d/ospf6_abr.c
index 5d9e315adb1d8efb27794a68586c16109c53b5ce..663b9b79821d057c7b8e4238e3ac53a86abee5b7 100644 (file)
--- a/ospf6d/ospf6_abr.c
+++ b/ospf6d/ospf6_abr.c
@@ -451,6 +451,8 @@ int ospf6_abr_originate_summary_to_area(struct ospf6_route *route,
                /* Do not generate if area is NSSA */
                route_area =
                        ospf6_area_lookup(route->path.area_id, area->ospf6);
+               assert(route_area);
+
                if (IS_AREA_NSSA(route_area)) {
                        if (is_debug)
                                zlog_debug(