From 1f0e548e3a55f7d0ac0c5007a896e7861b10ff10 Mon Sep 17 00:00:00 2001
From: Maarten Bent <MaartenBent@users.noreply.github.com>
Date: Fri, 3 Jul 2020 23:00:08 +0200
Subject: [PATCH] Fix null pointer reference when changing filter in
 wxGenericDirCtrl

See #18799
---
 src/generic/dirctrlg.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/generic/dirctrlg.cpp b/src/generic/dirctrlg.cpp
index af2bbeb6d0..2a432316b1 100644
--- a/src/generic/dirctrlg.cpp
+++ b/src/generic/dirctrlg.cpp
@@ -996,7 +996,7 @@ wxString wxGenericDirCtrl::GetPath(wxTreeItemId itemId) const
     const wxDirItemData*
         data = static_cast<wxDirItemData*>(m_treeCtrl->GetItemData(itemId));
 
-    return data->m_path;
+    return data ? data->m_path : wxString();
 }
 
 wxString wxGenericDirCtrl::GetPath() const