From 28b36c650a9558d6afee231703b5f869b8ddaec0 Mon Sep 17 00:00:00 2001
From: Nikolay Kim <fafhrd91@gmail.com>
Date: Wed, 11 Jul 2018 13:25:07 +0600
Subject: [PATCH] fix h2 compatibility

---
 src/server/h2.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/server/h2.rs b/src/server/h2.rs
index d812f6f53..2322f755a 100644
--- a/src/server/h2.rs
+++ b/src/server/h2.rs
@@ -62,7 +62,7 @@ where
             flags: Flags::empty(),
             tasks: VecDeque::new(),
             state: State::Handshake(server::handshake(IoWrapper {
-                unread: Some(buf),
+                unread: if buf.is_empty() { None } else { Some(buf) },
                 inner: io,
             })),
             keepalive_timer: None,