From 73d59a74e0b0a864c1a9581b8a4bdbee427125e2 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Fri, 24 Nov 2017 09:54:27 +0100
Subject: [PATCH] Different fix for #869.

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

diff --git a/coders/psd.c b/coders/psd.c
index a7baa8b7d..75ec20e50 100644
--- a/coders/psd.c
+++ b/coders/psd.c
@@ -1263,7 +1263,7 @@ static MagickBooleanType ReadPSDChannelZip(Image *image,const size_t channels,
       while (stream.avail_out > 0)
       {
         ret=inflate(&stream,Z_SYNC_FLUSH);
-        if (ret < 0)
+        if ((ret != Z_OK) && (ret != Z_STREAM_END))
           {
             (void) inflateEnd(&stream);
             compact_pixels=(unsigned char *) RelinquishMagickMemory(
-- 
2.40.0