From 4bcd2f1396c64f3701955a7621793534426beb11 Mon Sep 17 00:00:00 2001
From: Masaori Koshiba <masaori@apache.org>
Date: Wed, 7 Aug 2019 17:01:06 +0900
Subject: [PATCH] Allocate DependencyTree only if HTTP/2 stream priority is
 enabled

---
 proxy/http2/Http2ConnectionState.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/proxy/http2/Http2ConnectionState.h b/proxy/http2/Http2ConnectionState.h
index c8652affe80..30c4cbb5ffe 100644
--- a/proxy/http2/Http2ConnectionState.h
+++ b/proxy/http2/Http2ConnectionState.h
@@ -131,7 +131,9 @@ class Http2ConnectionState : public Continuation
   {
     local_hpack_handle  = new HpackHandle(HTTP2_HEADER_TABLE_SIZE);
     remote_hpack_handle = new HpackHandle(HTTP2_HEADER_TABLE_SIZE);
-    dependency_tree     = new DependencyTree(Http2::max_concurrent_streams_in);
+    if (Http2::stream_priority_enabled) {
+      dependency_tree = new DependencyTree(Http2::max_concurrent_streams_in);
+    }
   }
 
   void