[PATCH 2/3] exa: Only call driver FinishAccess hook if PrepareAccess hook succeeded.

[Maarten Maathuis]

Reviewed-by: Michel Dänzer <michel at daenzer.net>
Signed-off-by: Maarten Maathuis <madman2003 at gmail.com>
---
 exa/exa.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/exa/exa.c b/exa/exa.c
index 8adf847..a4e294a 100644
--- a/exa/exa.c
+++ b/exa/exa.c
@@ -421,7 +421,8 @@ exaFinishAccess(DrawablePtr pDrawable, int index)
     /* We always hide the devPrivate.ptr. */
     pPixmap->devPrivate.ptr = NULL;
 
-    if (!pExaScr->info->FinishAccess || !exaPixmapHasGpuCopy(pPixmap))
+    /* Only call FinishAccess if PrepareAccess was called and succeeded. */
+    if (!pExaScr->info->FinishAccess || !pExaScr->access[i].retval)
 	return;
 
     if (i >= EXA_PREPARE_AUX_DEST &&
-- 
1.7.4.rc2