From 9b5ccb5218e42a8e75f882e67dc4ebb1547aaf39 Mon Sep 17 00:00:00 2001
From: Yang Bin <1420506535@qq.com>
Date: Fri, 31 May 2024 15:31:10 +0800
Subject: [PATCH] fix: nullptr error caused by failed
 HttpHandler::SwitchHTTP2()(#560).

---
 http/server/HttpHandler.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/http/server/HttpHandler.cpp b/http/server/HttpHandler.cpp
index ac492e9f0..bc846e2cb 100644
--- a/http/server/HttpHandler.cpp
+++ b/http/server/HttpHandler.cpp
@@ -153,8 +153,10 @@ void HttpHandler::Close() {
 }
 
 bool HttpHandler::SwitchHTTP2() {
-    parser.reset(HttpParser::New(HTTP_SERVER, ::HTTP_V2));
-    if (parser == NULL) {
+    HttpParser *new_parser = HttpParser::New(HTTP_SERVER, ::HTTP_V2);
+    if (new_parser != NULL) {
+        parser.reset(new_parser);
+    } else {
         return false;
     }
     protocol = HTTP_V2;