From 94e6b98450e1361717ab6380ee9641bcef171fb3 Mon Sep 17 00:00:00 2001
From: David Rosca <nowrep@gmail.com>
Date: Tue, 6 Feb 2018 14:20:42 +0100
Subject: [PATCH] TabModel: Check return value of beginMoveRows

---
 src/lib/tabwidget/tabmodel.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/lib/tabwidget/tabmodel.cpp b/src/lib/tabwidget/tabmodel.cpp
index f3ef96f15..409e3a4b5 100644
--- a/src/lib/tabwidget/tabmodel.cpp
+++ b/src/lib/tabwidget/tabmodel.cpp
@@ -266,7 +266,10 @@ void TabModel::tabRemoved(int index)
 
 void TabModel::tabMoved(int from, int to)
 {
-    beginMoveRows(QModelIndex(), from, from, QModelIndex(), to > from ? to + 1 : to);
+    if (!beginMoveRows(QModelIndex(), from, from, QModelIndex(), to > from ? to + 1 : to)) {
+        qWarning() << "Invalid beginMoveRows" << from << (to > from ? to + 1 : to);
+        return;
+    }
     m_tabs.insert(to, m_tabs.takeAt(from));
     endMoveRows();
 }