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xwayland/present: Handle NULL window_priv in xwl_present_cleanup

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This can happen if the window has never completed a Present operation.

Fixes: 4230176080 ("xwayland/present: Embed present_vblank_rec in xwl_present_event")
(cherry picked from commit 32c5b2c044)
This commit is contained in:
Michel Dänzer 2023-09-25 10:47:20 +02:00 • committed by Olivier Fourdan
parent 2bd43be92c
commit c9a842e607
1 changed files with 5 additions and 3 deletions
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8
hw/xwayland/xwayland-present.c
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@ -414,9 +414,11 @@ xwl_present_cleanup(WindowPtr window)
xwl_present_window->sync_callback = NULL;
}
/* Clear remaining events */
xorg_list_for_each_entry_safe(event, tmp, &window_priv->vblank, vblank.window_list)
xwl_present_free_event(event);
if (window_priv) {
/* Clear remaining events */
xorg_list_for_each_entry_safe(event, tmp, &window_priv->vblank, vblank.window_list)
xwl_present_free_event(event);
}
/* Clear timer */
xwl_present_free_timer(xwl_present_window);