From ec328783593339e33772301a8c5fea35fd63c0a2 Mon Sep 17 00:00:00 2001
From: Maarten Maathuis <madman2003@gmail.com>
Date: Tue, 17 Mar 2009 10:45:21 +0100
Subject: [PATCH] exa: check if the pixmap is pinned for unsupported AUX
 indices.

---
 exa/exa.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/exa/exa.c b/exa/exa.c
index 7145e1253c..3fcb3e248e 100644
--- a/exa/exa.c
+++ b/exa/exa.c
@@ -585,6 +585,8 @@ ExaDoPrepareAccess(DrawablePtr pDrawable, int index)
 
     if (index >= EXA_PREPARE_AUX_DEST &&
 	!(pExaScr->info->flags & EXA_SUPPORTS_PREPARE_AUX)) {
+	if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED)
+	    FatalError("Unsupported AUX indices used on a pinned pixmap.\n");
 	exaMoveOutPixmap (pPixmap);
 	return FALSE;
     }