From 2078435194f55a2ab0165201a3f95688b794a123 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ghostscript.com>
Date: Wed, 4 May 2005 21:35:49 +0200
Subject: fix segfault in cleanmasks

---
 fitz/node_optimize.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'fitz/node_optimize.c')

diff --git a/fitz/node_optimize.c b/fitz/node_optimize.c
index 2cb97d85..80a43293 100644
--- a/fitz/node_optimize.c
+++ b/fitz/node_optimize.c
@@ -179,6 +179,9 @@ static void cleanmasks(fz_node *node)
 	for (current = node->first; current; current = current->next)
 	{
 retry:
+		if (!current)
+			break;
+
 		if (fz_ismasknode(current))
 		{
 			shape = current->first;
-- 
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