From 95d149eb84b89393a64f93bae2a545608d44636b Mon Sep 17 00:00:00 2001
From: Frederik Gladhorn <gladhorn@kde.org>
Date: Mon, 21 Apr 2008 12:34:40 +0000
Subject: [PATCH] no need to crash on empty expressions

svn path=/trunk/KDE/kdeedu/libkdeedu/; revision=799388
---
 keduvocdocument/keduvocexpression.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/keduvocdocument/keduvocexpression.cpp b/keduvocdocument/keduvocexpression.cpp
index 94ceff2..37f9f07 100644
--- a/keduvocdocument/keduvocexpression.cpp
+++ b/keduvocdocument/keduvocexpression.cpp
@@ -109,7 +109,9 @@ KEduVocExpression::KEduVocExpression(const KEduVocExpression & other)
 
 KEduVocExpression::~KEduVocExpression()
 {
-    d->m_lesson->removeEntry(this);
+    if (d->m_lesson) {
+        d->m_lesson->removeEntry(this);
+    }
     delete d;
 }
 
-- 
2.47.3