From: Cristy <urban-warrior@imagemagick.org>
Date: Thu, 10 May 2018 23:54:07 +0000 (-0400)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8205
X-Git-Tag: 7.0.7-32~17
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f5c9b051772e902ea0047da1caf2b0886f9b13b5;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8205
---

diff --git a/coders/pnm.c b/coders/pnm.c
index 94b09b6ea..6d9bec6d6 100644
--- a/coders/pnm.c
+++ b/coders/pnm.c
@@ -230,7 +230,7 @@ static Image *ReadPNMImage(const ImageInfo *image_info,ExceptionInfo *exception)
 {
 #define ThrowPNMException(exception,message) \
 { \
-  if (comment_info.comment == (char *) NULL)  \
+  if (comment_info.comment != (char *) NULL)  \
     comment_info.comment=DestroyString(comment_info.comment); \
   ThrowReaderException((exception),(message)); \
 }