diff --git a/[refs] b/[refs]
index c5b1207d1bae..1ccdb044eff4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6d8d2dd8ad92ec89f540e73b7a46c5835a7a06a6
+refs/heads/master: 4331debc51ee1ce319f4a389484e0e8e05de2aca
diff --git a/trunk/net/ipv4/route.c b/trunk/net/ipv4/route.c
index 6bcb8fc71cbc..3f7bb7185c50 100644
--- a/trunk/net/ipv4/route.c
+++ b/trunk/net/ipv4/route.c
@@ -444,7 +444,7 @@ static inline int ip_rt_proc_init(void)
 }
 #endif /* CONFIG_PROC_FS */
 
-static inline int rt_is_expired(struct rtable *rth)
+static inline bool rt_is_expired(const struct rtable *rth)
 {
 	return rth->rt_genid != rt_genid(dev_net(rth->dst.dev));
 }
@@ -1222,9 +1222,11 @@ static void rt_cache_route(struct fib_nh *nh, struct rtable *rt)
 	}
 }
 
-static bool rt_cache_valid(struct rtable *rt)
+static bool rt_cache_valid(const struct rtable *rt)
 {
-	return (rt && rt->dst.obsolete == DST_OBSOLETE_FORCE_CHK);
+	return	rt &&
+		rt->dst.obsolete == DST_OBSOLETE_FORCE_CHK &&
+		!rt_is_expired(rt);
 }
 
 static void rt_set_nexthop(struct rtable *rt, __be32 daddr,