[PATCH] mi: Add some sanity checking to miPaintWindow
Jeremy Huddleston
jeremyhu at apple.com
Wed Apr 21 08:43:18 PDT 2010
Signed-off-by: Jeremy Huddleston <jeremyhu at apple.com>
---
mi/miexpose.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/mi/miexpose.c b/mi/miexpose.c
index 1c9c3a4..1a7cd0c 100644
--- a/mi/miexpose.c
+++ b/mi/miexpose.c
@@ -551,6 +551,9 @@ miPaintWindow(WindowPtr pWin, RegionPtr prgn, int what)
Bool solid = TRUE;
DrawablePtr drawable = &pWin->drawable;
+ if(!drawable || drawable->type == UNDRAWABLE_WINDOW)
+ return;
+
#ifdef ROOTLESS
if(IsFramedWindow(pWin)) {
RootlessStartDrawing(pWin);
--
1.7.0.4
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