From 9a8a2fd294ffa68bfed3d503090366faf0f45964 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 9 Jul 2012 04:35:53 +0000
Subject: [PATCH] ext/zlib/zlib.c: initialize return value

* ext/zlib/zlib.c (zstream_run_func): initialize the return value,
  interrupt flag may set before starting loop.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36341 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/zlib/zlib.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 1b651d1c08..fc49e4454a 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -924,6 +924,7 @@ zstream_run_func(void *ptr)
     struct zstream *z = args->z;
     uInt n;
 
+    err = Z_OK;
     while (!args->interrupt) {
 	n = z->stream.avail_out;
 	err = z->func->run(&z->stream, flush);