From b8d26761c1c9e241907c62b378a65e1196a25a79 Mon Sep 17 00:00:00 2001
From: hujianwei <hujianwei@localhost.localdomain>
Date: Sun, 30 Oct 2022 02:35:48 +0000
Subject: [PATCH] Fix crash during subsurface destruction

* subcompositor.c (ViewUnparent): Don't consider view as
attached if there is no subcompositor.
---
 subcompositor.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/subcompositor.c b/subcompositor.c
index 899736f..6718f71 100644
--- a/subcompositor.c
+++ b/subcompositor.c
@@ -1113,7 +1113,7 @@ ViewUnparent (View *child)
   attached = (ViewVisibilityState (child, &mapped)
 	      && mapped);
 
-  if (attached)
+  if (attached && child->subcompositor)
     {
       /* Init the damage region.  */
       pixman_region32_init (&damage);
@@ -1178,7 +1178,7 @@ ViewUnparent (View *child)
 #endif
     }
 
-  if (attached)
+  if (attached && child->subcompositor)
     /* Finalize the damage region.  */
     pixman_region32_fini (&damage);
 }