1 files changed, 3 insertions, 9 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0489cedc167..815989b90de 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -132,7 +132,6 @@ static int ip_rt_mtu_expires __read_mostly	= 10 * 60 * HZ;
 static int ip_rt_min_pmtu __read_mostly         = 512 + 20 + 20;
 static int ip_rt_min_advmss __read_mostly       = 256;
 static int rt_chain_length_max __read_mostly    = 20;
-static int redirect_genid;
 
 static struct delayed_work expires_work;
 static unsigned long expires_ljiffies;
@@ -937,7 +936,7 @@ static void rt_cache_invalidate(struct net *net)
 
         get_random_bytes(&shuffle, sizeof(shuffle));
         atomic_add(shuffle + 1U, &net->ipv4.rt_genid);
-        redirect_genid++;
+        inetpeer_invalidate_tree(AF_INET);
 }
 
 /*
@@ -1490,10 +1489,8 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 
                                 peer = rt->peer;
                                 if (peer) {
-                                        if (peer->redirect_learned.a4 != new_gw ||
-                                            peer->redirect_genid != redirect_genid) {
+                                        if (peer->redirect_learned.a4 != new_gw) {
                                                 peer->redirect_learned.a4 = new_gw;
-                                                peer->redirect_genid = redirect_genid;
                                                 atomic_inc(&__rt_peer_genid);
                                         }
                                         check_peer_redir(&rt->dst, peer);
@@ -1798,8 +1795,6 @@ static void ipv4_validate_peer(struct rtable *rt)
                 if (peer) {
                         check_peer_pmtu(&rt->dst, peer);
 
-                        if (peer->redirect_genid != redirect_genid)
-                                peer->redirect_learned.a4 = 0;
                         if (peer->redirect_learned.a4 &&
                             peer->redirect_learned.a4 != rt->rt_gateway)
                                 check_peer_redir(&rt->dst, peer);
@@ -1963,8 +1958,7 @@ static void rt_init_metrics(struct rtable *rt, const struct flowi4 *fl4,
                 dst_init_metrics(&rt->dst, peer->metrics, false);
 
                 check_peer_pmtu(&rt->dst, peer);
-                if (peer->redirect_genid != redirect_genid)
-                        peer->redirect_learned.a4 = 0;
+
                 if (peer->redirect_learned.a4 &&
                     peer->redirect_learned.a4 != rt->rt_gateway) {
                         rt->rt_gateway = peer->redirect_learned.a4;