From e184e78e524c48af687f6a2e83836e59e2e04258 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Mon, 2 Jan 2023 08:33:22 +1100
Subject: [PATCH] AC_Avoidance: check for alloc failure of ObjectBuffer

---
 libraries/AC_Avoidance/AP_OADatabase.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libraries/AC_Avoidance/AP_OADatabase.cpp b/libraries/AC_Avoidance/AP_OADatabase.cpp
index c9e211ba1e..37fb5d7b0e 100644
--- a/libraries/AC_Avoidance/AP_OADatabase.cpp
+++ b/libraries/AC_Avoidance/AP_OADatabase.cpp
@@ -187,6 +187,11 @@ void AP_OADatabase::init_queue()
     }
 
     _queue.items = new ObjectBuffer<OA_DbItem>(_queue.size);
+    if (_queue.items != nullptr && _queue.items->get_size() == 0) {
+        // allocation failed
+        delete _queue.items;
+        _queue.items = nullptr;
+    }
 }
 
 void AP_OADatabase::init_database()