Fix data race closing incoming PeerConn

diff --git a/client.go b/client.go
index 4815a0cd4561edb27f18d1d147d4a07e0d3b58da..fe1a876970d9c334aa3bd2374f7745b6202e48a5 100644 (file)
--- a/client.go
+++ b/client.go
@@ -537,7 +537,11 @@ func (cl *Client) incomingConnection(nc net.Conn) {
        }
        c := cl.newConnection(nc, false, nc.RemoteAddr(), nc.RemoteAddr().Network(),
                regularNetConnPeerConnConnString(nc))
-       defer c.close()
+       defer func() {
+               cl.lock()
+               defer cl.unlock()
+               c.close()
+       }()
        c.Discovery = PeerSourceIncoming
        cl.runReceivedConn(c)
 }