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compositor: Check serial number ordering without overflowing
author
Kristian Høgsberg
<krh@bitplanet.net>
Wed, 1 Aug 2012 13:39:11 +0000
(09:39 -0400)
committer
Kristian Høgsberg
<krh@bitplanet.net>
Wed, 1 Aug 2012 13:58:17 +0000
(09:58 -0400)
src/compositor.c
patch
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diff --git
a/src/compositor.c
b/src/compositor.c
index
4f5388d
..
9891b3c
100644
(file)
--- a/
src/compositor.c
+++ b/
src/compositor.c
@@
-2213,7
+2213,7
@@
pointer_set_cursor(struct wl_client *client, struct wl_resource *resource,
surface = container_of(surface_resource->data,
struct weston_surface, surface);
- if (se
rial < seat->seat.pointer->focus_serial
)
+ if (se
at->seat.pointer->focus_serial - serial > UINT32_MAX / 2
)
return;
if (surface && surface != seat->sprite) {