From 91a6359caf24d94343ff76f43ea7b7fc3223203d Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 3 Jun 2010 12:16:40 +1000
Subject: [PATCH] composite: initialise pOldPixmap to NullPixmap at alloc time.

We just never initialised the malloced value.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---
 composite/compalloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/composite/compalloc.c b/composite/compalloc.c
index 3694ab868..7930ebe48 100644
--- a/composite/compalloc.c
+++ b/composite/compalloc.c
@@ -143,6 +143,7 @@ compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
 	cw->oldy = COMP_ORIGIN_INVALID;
 	cw->damageRegistered = FALSE;
 	cw->damaged = FALSE;
+	cw->pOldPixmap = NullPixmap;
 	dixSetPrivate(&pWin->devPrivates, CompWindowPrivateKey, cw);
     }
     ccw->next = cw->clients;