From 633b99b07bdc0fd9808fa0d38ab6bfb50a35dc90 Mon Sep 17 00:00:00 2001
From: errt <dominik.helm@stud.tu-darmstadt.de>
Date: Mon, 14 Oct 2019 19:49:28 +0200
Subject: Fix segfault on empty navMap

---
 backend/epub/epub-document.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'backend')

diff --git a/backend/epub/epub-document.c b/backend/epub/epub-document.c
index a45fe935..2f4eab0f 100644
--- a/backend/epub/epub-document.c
+++ b/backend/epub/epub-document.c
@@ -1267,7 +1267,7 @@ setup_document_index(EpubDocument *epub_document,gchar *containeruri)
 
     xmlNodePtr navPoint = xmlretval;
 
-    do {
+    while(navPoint != NULL) {
 
         if ( !xmlStrcmp(navPoint->name,(xmlChar*)"navPoint")) {
     		xmlretval = NULL;
@@ -1315,7 +1315,7 @@ setup_document_index(EpubDocument *epub_document,gchar *containeruri)
 
         navPoint = navPoint->next;
 
-    } while(navPoint != NULL);
+    }
 
 	xml_free_doc();
 
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