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compositor: Check serial number ordering without overflowing

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This commit is contained in:
Kristian Høgsberg
2012-08-01 09:39:11 -04:00
parent c50645c775
commit 2e96d3c907
1 changed files with 1 additions and 1 deletions
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src/compositor.c
+1 -1
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@@ -2213,7 +2213,7 @@ pointer_set_cursor(struct wl_client *client, struct wl_resource *resource,
surface = container_of(surface_resource->data, surface = container_of(surface_resource->data,
struct weston_surface, surface); struct weston_surface, surface);
if (serial < seat->seat.pointer->focus_serial) if (seat->seat.pointer->focus_serial - serial > UINT32_MAX / 2)
return; return;
if (surface && surface != seat->sprite) { if (surface && surface != seat->sprite) {