From: Yaowu Xu <yaowu@google.com>
Date: Wed, 25 May 2016 21:02:22 +0000 (-0700)
Subject: Convert to unsigned int before left shift
X-Git-Tag: v1.6.0~107^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=301e34527307690e66ac53f37022002c97e3af0d;p=platform%2Fupstream%2Flibvpx.git

Convert to unsigned int before left shift

This is to fix overflow when 128 is left shifted by 24.

Change-Id: Ibb5f6813536d985afa003a9848c0c3dd358955a7
---

diff --git a/vpx_ports/mem_ops.h b/vpx_ports/mem_ops.h
index 1f8f914..80c034e 100644
--- a/vpx_ports/mem_ops.h
+++ b/vpx_ports/mem_ops.h
@@ -89,7 +89,7 @@ static unsigned MEM_VALUE_T mem_get_be32(const void *vmem) {
   unsigned MEM_VALUE_T  val;
   const MAU_T          *mem = (const MAU_T *)vmem;
 
-  val = mem[0] << 24;
+  val = ((unsigned int)mem[0]) << 24;
   val |= mem[1] << 16;
   val |= mem[2] << 8;
   val |= mem[3];