From a0c61a0ebc5d18bf627d512977ccf7fff3b1ab54 Mon Sep 17 00:00:00 2001
From: andreika-git <andrei.home@gmail.com>
Date: Thu, 22 Feb 2024 21:31:47 +0200
Subject: [PATCH] Fix BigBufferHandle
 https://github.com/rusefi/rusefi/issues/5983

---
 firmware/controllers/core/big_buffer.cpp | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/firmware/controllers/core/big_buffer.cpp b/firmware/controllers/core/big_buffer.cpp
index 363e375a15..38e9e9b1be 100644
--- a/firmware/controllers/core/big_buffer.cpp
+++ b/firmware/controllers/core/big_buffer.cpp
@@ -38,13 +38,17 @@ BigBufferHandle::BigBufferHandle(BigBufferHandle&& other) {
 }
 
 BigBufferHandle& BigBufferHandle::operator= (BigBufferHandle&& other) {
-	// swap contents of the two objects
-	m_bufferPtr = other.m_bufferPtr;
-	other.m_bufferPtr = nullptr;
-
-	m_user = other.m_user;
-	other.m_user = BigBufferUser::None;
+	if (this != &other) {
+		if (m_bufferPtr) {
+			releaseBuffer(m_bufferPtr, m_user);
+		}
+		// swap contents of the two objects
+		m_bufferPtr = other.m_bufferPtr;
+		other.m_bufferPtr = nullptr;
 
+		m_user = other.m_user;
+		other.m_user = BigBufferUser::None;
+	}
 	return *this;
 }