From b3bf8fe7a1422ac4144b82ed83f85873cef3d99e Mon Sep 17 00:00:00 2001
From: Pascal Massimino <pascal.massimino@gmail.com>
Date: Fri, 24 Feb 2012 07:59:44 +0000
Subject: [PATCH] the read-overflow code-path wasn't reporting as an error

(since 'ok' was '1' by default)
(cherry picked from commit fe5eb4ffae74ff493e92fb5cd9a7a1625a113a7b)
---
 src/utils/alpha.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils/alpha.c b/src/utils/alpha.c
index 605177b5..e6d85f0d 100644
--- a/src/utils/alpha.c
+++ b/src/utils/alpha.c
@@ -358,7 +358,7 @@ int EncodeAlpha(const uint8_t* data, int width, int height, int stride,
 
 static int DecompressZlibTCoder(VP8BitReader* const br, int width,
                                 uint8_t* output, size_t output_size) {
-  int ok = 1;
+  int ok = 0;
   const size_t MAX_DIST = 3 * width;
   const size_t MAX_LEN = 2 * width;
   TCoder* const coder = TCoderNew(MAX_SYMBOLS);