3 files changed, 12 insertions, 2 deletions

diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index d172ec4ec9d3..f304471477dc 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -314,6 +314,8 @@ static struct ip6_tnl *ip6gre_tunnel_locate(struct net *net,
         struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
 
         t = ip6gre_tunnel_find(net, parms, ARPHRD_IP6GRE);
+        if (t && create)
+                return NULL;
         if (t || !create)
                 return t;
 
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index f9de5a695072..69a84b464009 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -364,8 +364,12 @@ static struct ip6_tnl *ip6_tnl_locate(struct net *net,
              (t = rtnl_dereference(*tp)) != NULL;
              tp = &t->next) {
                 if (ipv6_addr_equal(local, &t->parms.laddr) &&
-                    ipv6_addr_equal(remote, &t->parms.raddr))
+                    ipv6_addr_equal(remote, &t->parms.raddr)) {
+                        if (create)
+                                return NULL;
+
                         return t;
+                }
         }
         if (!create)
                 return NULL;
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 7f52fd9fa7b0..5833a2244467 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -253,8 +253,12 @@ static struct ip6_tnl *vti6_locate(struct net *net, struct __ip6_tnl_parm *p,
              (t = rtnl_dereference(*tp)) != NULL;
              tp = &t->next) {
                 if (ipv6_addr_equal(local, &t->parms.laddr) &&
-                    ipv6_addr_equal(remote, &t->parms.raddr))
+                    ipv6_addr_equal(remote, &t->parms.raddr)) {
+                        if (create)
+                                return NULL;
+
                         return t;
+                }
         }
         if (!create)
                 return NULL;