From 9b17dbf8a29861ffd23387c7e5520a7baaee1e88 Mon Sep 17 00:00:00 2001
From: Dmitry Plotnikov <d.plotnikov@f5.com>
Date: Tue, 18 Apr 2023 19:09:26 +0000
Subject: [PATCH] Fix a crash for configs with no http block.

---
 src/http_module.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/http_module.cpp b/src/http_module.cpp
index fde153f..4004fc1 100644
--- a/src/http_module.cpp
+++ b/src/http_module.cpp
@@ -552,6 +552,10 @@ ngx_int_t initWorkerProcess(ngx_cycle_t* cycle)
     auto mcf = (MainConf*)ngx_http_cycle_get_module_main_conf(
         cycle, gHttpModule);
 
+    if (mcf == NULL) {
+        return NGX_OK;
+    }
+
     try {
         gExporter.reset(new BatchExporter(
             toStrView(mcf->endpoint),
@@ -591,6 +595,10 @@ ngx_int_t initWorkerProcess(ngx_cycle_t* cycle)
 
 void exitWorkerProcess(ngx_cycle_t* cycle)
 {
+    if (!gExporter) {
+        return;
+    }
+
     try {
         gExporter->flush();
     } catch (const std::exception& e) {