From c9f21c8a711ce9ee7ce4acca15606174d32afed6 Mon Sep 17 00:00:00 2001
From: Yann Collet <cyan@fb.com>
Date: Mon, 3 Jul 2017 13:45:09 -0700
Subject: [PATCH] gzip : only display inflateEnd error when there is no error
 before

---
 programs/fileio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/programs/fileio.c b/programs/fileio.c
index 94c629303..1d98e474a 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -1483,7 +1483,8 @@ static unsigned long long FIO_decompressGzFrame(dRess_t* ress,
 
     if (strm.avail_in > 0) memmove(ress->srcBuffer, strm.next_in, strm.avail_in);
     ress->srcBufferLoaded = strm.avail_in;
-    if (inflateEnd(&strm) != Z_OK) {
+    if ( (inflateEnd(&strm) != Z_OK)  /* release resources ; error detected */
+      && (decodingError==0) ) {
         DISPLAYLEVEL(1, "zstd: %s: inflateEnd error \n", srcFileName);
         decodingError = 1;
     }