From bdd0fdf2460232fe17b0e54e42fcda4cc18b811a Mon Sep 17 00:00:00 2001
From: Peter Penz <peter.penz19@gmail.com>
Date: Tue, 21 Feb 2012 17:18:37 +0100
Subject: [PATCH] Fix possible crash if no model is set

When updating the siblings-information by e.g. a call to
setSupportsItemExpanding() it is possible that the model is not
set yet.
---
 src/kitemviews/kitemlistview.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/kitemviews/kitemlistview.cpp b/src/kitemviews/kitemlistview.cpp
index 372726954..907bf624d 100644
--- a/src/kitemviews/kitemlistview.cpp
+++ b/src/kitemviews/kitemlistview.cpp
@@ -2057,7 +2057,7 @@ void KItemListView::updateGroupHeaderHeight()
 
 void KItemListView::updateSiblingsInformation(int firstIndex, int lastIndex)
 {
-    if (!supportsItemExpanding()) {
+    if (!supportsItemExpanding() || !m_model) {
         return;
     }
 
-- 
2.47.3