ipv6: udp packets following an UFO enqueued packet need also be handled by UFO
[pandora-kernel.git] / net / ipv6 / ip6_fib.c
index 93718f3..443724f 100644 (file)
@@ -862,14 +862,22 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
 
                        if (ipv6_prefix_equal(&key->addr, args->addr, key->plen)) {
 #ifdef CONFIG_IPV6_SUBTREES
-                               if (fn->subtree)
-                                       fn = fib6_lookup_1(fn->subtree, args + 1);
+                               if (fn->subtree) {
+                                       struct fib6_node *sfn;
+                                       sfn = fib6_lookup_1(fn->subtree,
+                                                           args + 1);
+                                       if (!sfn)
+                                               goto backtrack;
+                                       fn = sfn;
+                               }
 #endif
-                               if (!fn || fn->fn_flags & RTN_RTINFO)
+                               if (fn->fn_flags & RTN_RTINFO)
                                        return fn;
                        }
                }
-
+#ifdef CONFIG_IPV6_SUBTREES
+backtrack:
+#endif
                if (fn->fn_flags & RTN_ROOT)
                        break;