torrent.KnownSwarm: keep client lock when iterating over connections (#893)

diff --git a/torrent.go b/torrent.go
index 2d0cce2e13f210cb8edddd8dbb80ab0f88ec5262..0b1baba53c580840ff5b7a0a7c17ef1bd07bc43f 100644 (file)
--- a/torrent.go
+++ b/torrent.go
@@ -245,6 +245,8 @@ func (t *Torrent) KnownSwarm() (ks []PeerInfo) {
        }
 
        // Add active peers to the list
+       t.cl.rLock()
+       defer t.cl.rUnlock()
        for conn := range t.conns {
                ks = append(ks, PeerInfo{
                        Id:     conn.PeerID,