From a287d069a447cb7ac18eedcb3b213f70c24329da Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Tue, 12 Jun 2018 20:17:15 +1000
Subject: [PATCH] Fix crash adding peers when Torrent is closed

---
 torrent.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/torrent.go b/torrent.go
index 99b71ae4..9b3ff31e 100644
--- a/torrent.go
+++ b/torrent.go
@@ -249,6 +249,9 @@ func (t *Torrent) unclosedConnsAsSlice() (ret []*connection) {
 func (t *Torrent) addPeer(p Peer) {
 	cl := t.cl
 	peersAddedBySource.Add(string(p.Source), 1)
+	if t.closed.IsSet() {
+		return
+	}
 	if cl.badPeerIPPort(p.IP, p.Port) {
 		torrent.Add("peers not added because of bad addr", 1)
 		return
-- 
2.48.1