From b36f3c02a93029308654f77c01c3c04259449c5c Mon Sep 17 00:00:00 2001
From: peak3d <pfau@peak3d.de>
Date: Thu, 22 Jul 2021 10:35:48 +0200
Subject: [PATCH] Fix segfault when AP4_Sample's seek

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
---
 Source/C++/Core/Ap4LinearReader.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/C++/Core/Ap4LinearReader.cpp b/Source/C++/Core/Ap4LinearReader.cpp
index 7cc3ebd..61dd60e 100644
--- a/Source/C++/Core/Ap4LinearReader.cpp
+++ b/Source/C++/Core/Ap4LinearReader.cpp
@@ -482,6 +482,7 @@ AP4_LinearReader::Advance(bool read_data)
                 result = buffer->m_Sample->ReadData(buffer->m_Data);
             }
             if (AP4_FAILED(result)) {
+                buffer->m_Sample = nullptr;
                 delete buffer;
                 return result;
             }
-- 
2.30.2