Merge branch 'lighthouse-query-chan-lock' into mutex-debug

handshake_manager.go

@@ -374,13 +374,13 @@ func (hm *HandshakeManager) GetOrHandshake(vpnIp iputil.VpnIp, cacheCb func(*Han
 // StartHandshake will ensure a handshake is currently being attempted for the provided vpn ip
 func (hm *HandshakeManager) StartHandshake(vpnIp iputil.VpnIp, cacheCb func(*HandshakeHostInfo)) *HostInfo {
 	hm.Lock()
-	defer hm.Unlock()
 
 	if hh, ok := hm.vpnIps[vpnIp]; ok {
 		// We are already trying to handshake with this vpn ip
 		if cacheCb != nil {
 			cacheCb(hh)
 		}
+		hm.Unlock()
 		return hh.hostinfo
 	}
 
@@ -424,6 +424,7 @@ func (hm *HandshakeManager) StartHandshake(vpnIp iputil.VpnIp, cacheCb func(*Han
 		}
 	}
 
+	hm.Unlock()
 	hm.lightHouse.QueryServer(vpnIp)
 	return hostinfo
 }