x11-base/xorg-server/files/1.4.0.90/0052-Fix-overly-restrictive-integer-overflow-check-in-EXA.patch


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From 458b487723a7beb792857c920e9be22c2ce4625d Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 17 Aug 2007 12:14:16 -0700
Subject: [PATCH] Fix overly-restrictive integer overflow check in EXA pixmap creation.

The result was that at 32bpp, pixmaps of width 8192 or greater couldn't be
created, due to treating a pitch value as a width.
(cherry picked from commit bc2d516f16d94c805b4dfa8e5b9eef40ff0cbe98)
---
 exa/exa.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/exa/exa.c b/exa/exa.c
index aa42b92..b2faf2f 100644
--- a/exa/exa.c
+++ b/exa/exa.c
@@ -253,7 +253,7 @@ exaCreatePixmap(ScreenPtr pScreen, int w, int h, int depth)
 				     pExaScr->info->pixmapPitchAlign);
     pExaPixmap->fb_size = pExaPixmap->fb_pitch * h;
 
-    if (pExaPixmap->fb_pitch > 32767) {
+    if (pExaPixmap->fb_pitch > 131071) {
 	fbDestroyPixmap(pPixmap);
 	return NULL;
     }
-- 
1.5.5.1