From 6db0f4732610b33ffb503b20619585d235af31da Mon Sep 17 00:00:00 2001
From: Neti Ravi Kumar <ravineti@codeaurora.org>
Date: Fri, 23 Dec 2011 19:43:05 +0530
Subject: [PATCH] Display/libqcomUI:Check for the clip width limit

clip width should not exceed with the render buffer width(fb0)

Change-Id: Ia927dc1e709a259910ae8f9e7d37979306eb3437
---
 libqcomui/qcom_ui.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libqcomui/qcom_ui.cpp b/libqcomui/qcom_ui.cpp
index f1cd7aa..107827f 100644
--- a/libqcomui/qcom_ui.cpp
+++ b/libqcomui/qcom_ui.cpp
@@ -399,6 +399,10 @@ int qcomuiClearRegion(Region region, EGLDisplay dpy, EGLSurface sur)
                        (r.left + r.top*renderBuffer->stride)*bytesPerPixel;
         int w = r.width()*bytesPerPixel;
         int h = r.height();
+       if(((int)dst + w ) > (fbHandle->base + renderBuffer->stride*bytesPerPixel)){
+               LOGE("%s: Excedding the framebuffer limit",__FUNCTION__ ) ;
+               return -1;
+       }
         do {
             android_memset32((uint32_t*)dst, 0, w);
             dst += stride;