From 4114a72264f6de70641c0f72e8e92cf84c70ce63 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Fri, 22 Dec 2017 21:47:19 -0500
Subject: [PATCH] ...

---
 coders/png.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coders/png.c b/coders/png.c
index 610b90f16..8ef7262cf 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -5884,7 +5884,7 @@ static Image *ReadOneMNGImage(MngInfo* mng_info, const ImageInfo *image_info,
 
                 p++; /* framing mode */
 
-                while (*p && ((p-chunk) < (ssize_t) length-1))
+                while (((p-chunk) < (long) length) && *p)
                   p++;  /* frame name */
 
                 p++;  /* frame name terminator */
-- 
2.50.1