From cfdfca1a06fb2deb9ebcc15a63d715ebddb23bd0 Mon Sep 17 00:00:00 2001
From: Toralf Wittner <tw@dtex.org>
Date: Mon, 10 Sep 2018 14:03:38 +0200
Subject: [PATCH] Similar to #469, consider endpoint while retaining. (#470)

---
 muxers/mplex/src/lib.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/muxers/mplex/src/lib.rs b/muxers/mplex/src/lib.rs
index 708f85f6..ba47444e 100644
--- a/muxers/mplex/src/lib.rs
+++ b/muxers/mplex/src/lib.rs
@@ -390,7 +390,9 @@ where C: AsyncRead + AsyncWrite
                 },
                 Err(err) => {
                     debug!("Failed to open outbound substream {}", substream.num);
-                    inner.buffer.retain(|elem| elem.substream_id() != substream.num);
+                    inner.buffer.retain(|elem| {
+                        elem.substream_id() != substream.num || elem.endpoint() == Some(Endpoint::Dialer)
+                    });
                     return Err(err)
                 },
             };