From 417111093e20baa407faf9ca2ae6d07d3425f982 Mon Sep 17 00:00:00 2001
From: cheatfate <eugene.kabanov@status.im>
Date: Tue, 8 Oct 2019 20:38:39 +0300
Subject: [PATCH] Cleanup references on exit.

---
 chronos/streams/tlsstream.nim | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/chronos/streams/tlsstream.nim b/chronos/streams/tlsstream.nim
index dec9720c..bffdde14 100644
--- a/chronos/streams/tlsstream.nim
+++ b/chronos/streams/tlsstream.nim
@@ -95,6 +95,8 @@ proc tlsWriteLoop(stream: AsyncStreamWriter) {.async.} =
     await future
   except CancelledError:
     discard
+  finally:
+    wstream.stream = nil
 
 proc tlsReadLoop(stream: AsyncStreamReader) {.async.} =
   var rstream = cast[TlsStreamReader](stream)
@@ -212,6 +214,7 @@ proc tlsReadLoop(stream: AsyncStreamReader) {.async.} =
         let item = wstream.queue.popFirstNoWait()
         if not(item.future.finished()):
           item.future.fail(rstream.error)
+    rstream.stream = nil
 
 proc newTlsClientAsyncStream*(rsource: AsyncStreamReader,
                               wsource: AsyncStreamWriter,