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-rw-r--r--net/tipc/port.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/net/tipc/port.c b/net/tipc/port.c
index 6156c6740f67..3b7162c1f074 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -221,18 +221,25 @@ struct tipc_port *tipc_createport_raw(void *usr_handle,
p_ptr->usr_handle = usr_handle;
p_ptr->max_pkt = MAX_PKT_DEFAULT;
p_ptr->ref = ref;
- msg = &p_ptr->phdr;
- tipc_msg_init(msg, importance, TIPC_NAMED_MSG, NAMED_H_SIZE, 0);
- msg_set_origport(msg, ref);
INIT_LIST_HEAD(&p_ptr->wait_list);
INIT_LIST_HEAD(&p_ptr->subscription.nodesub_list);
p_ptr->dispatcher = dispatcher;
p_ptr->wakeup = wakeup;
p_ptr->user_port = NULL;
k_init_timer(&p_ptr->timer, (Handler)port_timeout, ref);
- spin_lock_bh(&tipc_port_list_lock);
INIT_LIST_HEAD(&p_ptr->publications);
INIT_LIST_HEAD(&p_ptr->port_list);
+
+ /*
+ * Must hold port list lock while initializing message header template
+ * to ensure a change to node's own network address doesn't result
+ * in template containing out-dated network address information
+ */
+
+ spin_lock_bh(&tipc_port_list_lock);
+ msg = &p_ptr->phdr;
+ tipc_msg_init(msg, importance, TIPC_NAMED_MSG, NAMED_H_SIZE, 0);
+ msg_set_origport(msg, ref);
list_add_tail(&p_ptr->port_list, &ports);
spin_unlock_bh(&tipc_port_list_lock);
return p_ptr;