compositor: Check serial number ordering without overflowing

Kristian Høgsberg 12 years ago
parent c50645c775
commit 2e96d3c907
  1. 2
      src/compositor.c

@ -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) {

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