[zebra] CID #31, guard against potential NULL return of route_node_lookup
2006-05-11 Paul Jakma <paul.jakma@sun.com>
* interface.c: (if_delete_update) route_node_lookup may return
NULL, should fix Coverity CID #31.
diff --git a/zebra/interface.c b/zebra/interface.c
index ce31277..3919c3f 100644
--- a/zebra/interface.c
+++ b/zebra/interface.c
@@ -407,9 +407,9 @@
ifc = listgetdata (node);
p = ifc->address;
- if (p->family == AF_INET)
+ if (p->family == AF_INET
+ && (rn = route_node_lookup (zebra_if->ipv4_subnets, p)))
{
- rn = route_node_lookup (zebra_if->ipv4_subnets, p);
route_unlock_node (rn);
addr_list = (struct list *) rn->info;