[Companion] Crash fixed

2017-01-19 19:14:55 +01:00
parent 1460620483
commit 0d6f5b470b
1 changed files with 6 additions and 4 deletions
@@ -207,11 +207,13 @@ QModelIndex TreeModel::parent(const QModelIndex & index) const
 bool TreeModel::removeRows(int position, int rows, const QModelIndex & parent)
 {
  TreeItem * parentItem = getItem(parent);
-  bool success;
+  bool success = true;
  
-  beginRemoveRows(parent, position, position + rows - 1);
-  success = parentItem->removeChildren(position, rows);
-  endRemoveRows();
+  if (position >= 0 && rows > 0) {
+    beginRemoveRows(parent, position, position + rows - 1);
+    success = parentItem->removeChildren(position, rows);
+    endRemoveRows();
+  }
  
  return success;
 }