1 files changed, 3 insertions, 3 deletions

diff --git a/net/tipc/node.c b/net/tipc/node.c
index 703875fd6cde..2c32a83037a3 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1116,7 +1116,7 @@ static bool tipc_node_check_state(struct tipc_node *n, struct sk_buff *skb,
         }
 
         /* Ignore duplicate packets */
-        if (less(oseqno, rcv_nxt))
+        if ((usr != LINK_PROTOCOL) && less(oseqno, rcv_nxt))
                 return true;
 
         /* Initiate or update failover mode if applicable */
@@ -1146,8 +1146,8 @@ static bool tipc_node_check_state(struct tipc_node *n, struct sk_buff *skb,
         if (!pl || !tipc_link_is_up(pl))
                 return true;
 
-        /* Initiate or update synch mode if applicable */
-        if ((usr == TUNNEL_PROTOCOL) && (mtyp == SYNCH_MSG)) {
+        /* Initiate synch mode if applicable */
+        if ((usr == TUNNEL_PROTOCOL) && (mtyp == SYNCH_MSG) && (oseqno == 1)) {
                 syncpt = iseqno + exp_pkts - 1;
                 if (!tipc_link_is_up(l)) {
                         tipc_link_fsm_evt(l, LINK_ESTABLISH_EVT);