From b3cdb472d0c63fef513cf2a61d03849adfd448c5 Mon Sep 17 00:00:00 2001
From: Nikolay Kim <fafhrd91@gmail.com>
Date: Mon, 12 Mar 2018 09:04:54 -0700
Subject: [PATCH] remove reserved state for h2 write if buffer is empty

---
 src/server/h2writer.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/server/h2writer.rs b/src/server/h2writer.rs
index 7fccd4ecf..6a6437b0b 100644
--- a/src/server/h2writer.rs
+++ b/src/server/h2writer.rs
@@ -197,6 +197,7 @@ impl Writer for H2Writer {
                             let cap = cmp::min(self.buffer.len(), CHUNK_SIZE);
                             stream.reserve_capacity(cap);
                         } else {
+                            self.flags.remove(Flags::RESERVED);
                             return Ok(Async::NotReady)
                         }
                     }