From c46a6d4cb3706445c810f71fd2520f6a13935a39 Mon Sep 17 00:00:00 2001
From: Jean-Francois Dockes <jf@dockes.org>
Date: Tue, 6 Aug 2019 18:52:50 +0200
Subject: [PATCH] fix crash when resetting restable search

---
 src/qtgui/restable.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/qtgui/restable.cpp b/src/qtgui/restable.cpp
index a7572073..0ac0ddf2 100644
--- a/src/qtgui/restable.cpp
+++ b/src/qtgui/restable.cpp
@@ -791,7 +791,11 @@ void ResTable::readDocSource(bool resetPos)
     if (resetPos)
 	tableView->verticalScrollBar()->setSliderPosition(0);
 
-    m_model->m_source->getTerms(m_model->m_hdata);
+    if (m_model->m_source) {
+        m_model->m_source->getTerms(m_model->m_hdata);
+    } else {
+        m_model->m_hdata.clear();
+    }
     m_model->readDocSource();
     m_detail->clear();
     m_detaildocnum = -1;