From e5cf2abf0a7fa64dbf7fafafd61870e9041b74a5 Mon Sep 17 00:00:00 2001
From: fakeshadow <24548779@qq.com>
Date: Mon, 18 Jan 2021 09:58:37 +0800
Subject: [PATCH] revert change of ResponseHead

---
 actix-http/src/message.rs | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/actix-http/src/message.rs b/actix-http/src/message.rs
index 7daffef79..5d9f3710e 100644
--- a/actix-http/src/message.rs
+++ b/actix-http/src/message.rs
@@ -414,13 +414,9 @@ impl std::ops::DerefMut for BoxedResponseHead {
 
 impl Drop for BoxedResponseHead {
     fn drop(&mut self) {
-        RESPONSE_POOL.with(move |p| {
-            p.release(
-                self.head
-                    .take()
-                    .expect("ResponseHead is taken before dropped"),
-            )
-        })
+        if let Some(head) = self.head.take() {
+            RESPONSE_POOL.with(move |p| p.release(head))
+        }
     }
 }