From 4579d4be14c0e4ec68acd43d1bbbc7451fef9399 Mon Sep 17 00:00:00 2001
From: Morgan Hardwood <bugs@londonlight.org>
Date: Wed, 7 Feb 2018 14:51:12 +0100
Subject: [PATCH] Fixes memory leak in ExifManager::parse

Fixes #4375
---
 rtexif/rtexif.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtexif/rtexif.cc b/rtexif/rtexif.cc
index 47d885e50..b6a60bbd8 100644
--- a/rtexif/rtexif.cc
+++ b/rtexif/rtexif.cc
@@ -3077,7 +3077,7 @@ void ExifManager::parse (bool isRaw, bool skipIgnored)
         root->printAll ();
 #endif
 
-    } while (ifdOffset && !onlyFirst);
+    } while (ifdOffset > 0 && !onlyFirst);
 
     // Security check : if there's at least one root, there must be at least one image.
     // If the following occurs, then image detection above has failed or it's an unsupported file type.