38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From 6cfe64769a4f8e9646e4d6766ffdf689a0963ffd Mon Sep 17 00:00:00 2001
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From: Daniel Stone <daniel@fooishbar.org>
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Date: Wed, 7 Nov 2012 17:22:42 +1100
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Subject: [PATCH 16/38] XWayland: Don't send out-of-bounds damage co-ordinates
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Make sure we don't send damage regions larger than the buffer.
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Signed-off-by: Daniel Stone <daniel@fooishbar.org>
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---
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hw/xfree86/xwayland/xwayland.c | 5 ++---
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1 file changed, 2 insertions(+), 3 deletions(-)
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diff --git a/hw/xfree86/xwayland/xwayland.c b/hw/xfree86/xwayland/xwayland.c
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index 2047a85..6a515f5 100644
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--- a/hw/xfree86/xwayland/xwayland.c
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+++ b/hw/xfree86/xwayland/xwayland.c
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@@ -346,15 +346,14 @@ void xwl_screen_post_damage(struct xwl_screen *xwl_screen)
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xorg_list_for_each_entry(xwl_window, &xwl_screen->damage_window_list,
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link_damage) {
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-
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region = DamageRegion(xwl_window->damage);
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count = RegionNumRects(region);
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for (i = 0; i < count; i++) {
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box = &RegionRects(region)[i];
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wl_surface_damage(xwl_window->surface,
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box->x1, box->y1,
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- box->x2 - box->x1 + 1,
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- box->y2 - box->y1 + 1);
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+ box->x2 - box->x1,
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+ box->y2 - box->y1);
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}
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wl_surface_attach(xwl_window->surface,
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xwl_window->buffer,
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--
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1.8.4.2
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