From c457f1680ab0c6b2049bbcec9e721ff37bc9109e Mon Sep 17 00:00:00 2001
From: Kukhyeon Heo <sainthkh@gmail.com>
Date: Sun, 10 Apr 2022 15:43:20 +0900
Subject: [PATCH] [win] Fix crash browsing files when a folder is deleted (fix
 #2950)

---
 src/app/file_system.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/app/file_system.cpp b/src/app/file_system.cpp
index e9d64950b..41905592f 100644
--- a/src/app/file_system.cpp
+++ b/src/app/file_system.cpp
@@ -973,6 +973,13 @@ static FileItem* get_fileitem_by_fullpidl(LPITEMIDLIST fullpidl, bool create_if_
 
     free_pidl(parent_fullpidl);
 
+    // The parent folder is sometimes deleted for some reasons. In
+    // that case, m_parent becomes nullptr, which can causes crash.
+    if (fileitem->m_parent == nullptr) {
+      throw std::runtime_error(
+        "Unexpected file system change. Please check the file.");
+    }
+
     // Get specific pidl attributes
     if (fileitem->m_pidl &&
         fileitem->m_parent) {