From 15a9e53fbeaf765bfa6ed795d270e5968b30acb8 Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Fri, 10 Sep 2010 14:40:10 -0700
Subject: reject odd widths or heights for YV12 format

Change-Id: I66cbb5fbc20630218947cd41552a95503b58e15e
---
 libgralloc-qsd8k/gpu.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libgralloc-qsd8k/gpu.cpp b/libgralloc-qsd8k/gpu.cpp
index d577f96..90ff445 100644
--- a/libgralloc-qsd8k/gpu.cpp
+++ b/libgralloc-qsd8k/gpu.cpp
@@ -239,8 +239,12 @@ int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
             break;
 
         case HAL_PIXEL_FORMAT_YV12:
+            if ((w&1) || (h&1)) {
+                LOGE("w or h is odd for HAL_PIXEL_FORMAT_YV12");
+                return -EINVAL;
+            }
             alignedw = ALIGN(w, 16);
-            alignedh = ALIGN(h,  2);
+            alignedh = h;
             size = alignedw*alignedh +
                     (ALIGN(alignedw/2, 16) * (alignedh/2))*2;
             break;
-- 
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