From d1c2751a8e40e32e1ed45663b3ea42e4621b3960 Mon Sep 17 00:00:00 2001
From: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date: Thu, 14 Nov 2024 10:51:53 +0100
Subject: [PATCH] nullptr check added

---
 src/nodes/QskSGNode.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/nodes/QskSGNode.cpp b/src/nodes/QskSGNode.cpp
index 265a4d0f..5855cf0b 100644
--- a/src/nodes/QskSGNode.cpp
+++ b/src/nodes/QskSGNode.cpp
@@ -88,13 +88,16 @@ void QskSGNode::setParentNode( QSGNode* node, QSGNode* parent )
 
 QSGNode* QskSGNode::findChildNode( QSGNode* parent, quint8 role )
 {
-    auto node = parent->firstChild();
-    while ( node )
+    if ( parent )
     {
-        if ( nodeRole( node ) == role )
-            return node;
+        auto node = parent->firstChild();
+        while ( node )
+        {
+            if ( nodeRole( node ) == role )
+                return node;
 
-        node = node->nextSibling();
+            node = node->nextSibling();
+        }
     }
 
     return nullptr;