877df9fdea
- Add some extra fixes which are pending upstream - This also adds PointerWarping emulation to Xwayland, which should improve compatiblity with many games
35 lines
1.3 KiB
Diff
35 lines
1.3 KiB
Diff
From 675ba81ffe268fdfeb2ec2820369cfd2d4c768c9 Mon Sep 17 00:00:00 2001
|
|
From: agoins <agoins@nvidia.com>
|
|
Date: Mon, 24 Oct 2016 15:25:53 -0700
|
|
Subject: [PATCH xserver v2] ramdac: Check sPriv != NULL in xf86CheckHWCursor()
|
|
|
|
xf86CheckHWCursor() would dereference sPriv without NULL checking it. If Option
|
|
"SWCursor" is specified, sPriv == NULL. In this case we should assume that HW
|
|
cursors are not supported.
|
|
|
|
Signed-off-by: Alex Goins <agoins@nvidia.com>
|
|
Reviewed-by: Andy Ritger <aritger@nvidia.com>
|
|
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
|
|
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
|
|
---
|
|
hw/xfree86/ramdac/xf86HWCurs.c | 3 ++-
|
|
1 file changed, 2 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/hw/xfree86/ramdac/xf86HWCurs.c b/hw/xfree86/ramdac/xf86HWCurs.c
|
|
index da2b181..5e99526 100644
|
|
--- a/hw/xfree86/ramdac/xf86HWCurs.c
|
|
+++ b/hw/xfree86/ramdac/xf86HWCurs.c
|
|
@@ -148,7 +148,8 @@ xf86CheckHWCursor(ScreenPtr pScreen, CursorPtr cursor, xf86CursorInfoPtr infoPtr
|
|
continue;
|
|
|
|
sPriv = dixLookupPrivate(&pSlave->devPrivates, xf86CursorScreenKey);
|
|
- if (!xf86ScreenCheckHWCursor(pSlave, cursor, sPriv->CursorInfoPtr))
|
|
+ if (!sPriv ||
|
|
+ !xf86ScreenCheckHWCursor(pSlave, cursor, sPriv->CursorInfoPtr))
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
--
|
|
2.9.3
|
|
|