From 6cec018c8deebfc9deee2f38be90f46d8016402c Mon Sep 17 00:00:00 2001
From: tt2468 <tt2468@gmail.com>
Date: Fri, 10 Dec 2021 21:20:48 -0800
Subject: [PATCH] WebSocketServer: Fix null check for request batch variables

---
 src/websocketserver/WebSocketServer_Protocol.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/websocketserver/WebSocketServer_Protocol.cpp b/src/websocketserver/WebSocketServer_Protocol.cpp
index 8eb9af32..da84836b 100644
--- a/src/websocketserver/WebSocketServer_Protocol.cpp
+++ b/src/websocketserver/WebSocketServer_Protocol.cpp
@@ -252,7 +252,7 @@ void WebSocketServer::ProcessMessage(SessionPtr session, WebSocketServer::Proces
 				}
 			}
 
-			if (payloadData.contains("variables") && !payloadData.is_null()) {
+			if (payloadData.contains("variables") && !payloadData["variables"].is_null()) {
 				if (!payloadData.is_object()) {
 					if (!session->IgnoreInvalidMessages()) {
 						ret.closeCode = WebSocketCloseCode::InvalidDataKeyType;