From b86253c80d6b1aa965f90b46e749184a5d13a52a Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Mon, 7 Dec 2015 02:39:00 +1100
Subject: [PATCH] Fix #41

---
 TODO               | 1 +
 dht/transaction.go | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/TODO b/TODO
index 87a397c3..88376218 100644
--- a/TODO
+++ b/TODO
@@ -7,3 +7,4 @@
  * Handle Torrent being dropped before GotInfo.
  * Track connection chunk contributions to successful and failed piece hashes. Only drop the worst performer on a bad hash. Maybe block its IP.
  * Remove assumptions that the first piece requested will be the first that peers will send.
+ * Clean-up DHT transaction code, it's just nasty.
diff --git a/dht/transaction.go b/dht/transaction.go
index 19825de0..8e3ad0d8 100644
--- a/dht/transaction.go
+++ b/dht/transaction.go
@@ -36,7 +36,12 @@ func (t *Transaction) tryHandleResponse() {
 		return
 	}
 	select {
-	case r := <-t.response:
+	case r, ok := <-t.response:
+		if !ok {
+			// TODO: I think some assumption is broken. This isn't supposed to
+			// happen.
+			break
+		}
 		t.userOnResponse(r)
 		// Shouldn't be called more than once.
 		t.userOnResponse = nil
-- 
2.48.1