From 1b02ff98338d5bf865ec6d2037b4760a51b33f8a Mon Sep 17 00:00:00 2001
From: hujianwei <hujianwei@localhost.localdomain>
Date: Thu, 17 Nov 2022 06:18:50 +0000
Subject: [PATCH] Fix crash trying to update seat cursor outputs

* seat.c (UpdateCursorOutput): Do not update if the surface has
been destroyed.
---
 seat.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/seat.c b/seat.c
index e511596..2891900 100644
--- a/seat.c
+++ b/seat.c
@@ -885,6 +885,11 @@ UpdateCursorOutput (SeatCursor *cursor, int root_x, int root_y)
 {
   int hotspot_x, hotspot_y;
 
+  if (!cursor->role.surface)
+    /* The surface has been destroyed, so there is no point in
+       continuing.  */
+    return;
+
   /* Scale the hotspot coordinates up by the scale factor specified in
      the surface.  */
   hotspot_x = cursor->hotspot_x * cursor->role.surface->factor;