uisupport: Fix invalid model segfault from index

[quassel.git] / src / client / treemodel.cpp

diff --git a/src/client/treemodel.cpp b/src/client/treemodel.cpp
index 8d6c882..006434c 100644 (file)
--- a/src/client/treemodel.cpp
+++ b/src/client/treemodel.cpp
@@ -569,6 +569,12 @@ void TreeModel::debug_rowsAboutToBeRemoved(const QModelIndex& parent, int start,
         parentItem = rootItem;
     qDebug() << "debug_rowsAboutToBeRemoved" << parent << parentItem << parent.data().toString() << rowCount(parent) << start << end;
 
+    // Make sure model is valid first
+    if (!parent.model()) {
+        qDebug() << "Parent model is not valid!" << end;
+        return;
+    }
+
     QModelIndex child;
     for (int i = end; i >= start; i--) {
         child = parent.model()->index(i, 0, parent);
@@ -585,6 +591,12 @@ void TreeModel::debug_rowsInserted(const QModelIndex& parent, int start, int end
         parentItem = rootItem;
     qDebug() << "debug_rowsInserted:" << parent << parentItem << parent.data().toString() << rowCount(parent) << start << end;
 
+    // Make sure model is valid first
+    if (!parent.model()) {
+        qDebug() << "Parent model is not valid!" << end;
+        return;
+    }
+
     QModelIndex child;
     for (int i = start; i <= end; i++) {
         child = parent.model()->index(i, 0, parent);