From f5ff0f732a29769fe2ce4f4f5cdb3b447151b1bc Mon Sep 17 00:00:00 2001
From: Daniel van Vugt <daniel.van.vugt@canonical.com>
Date: Fri, 14 Jul 2023 18:08:57 +0800
Subject: [PATCH] onscreen/native: Forget the view pointer when it is detached

Otherwise it would linger after a hotplug event, pointing to the old
(destroyed) view. And it's much easier to debug a NULL pointer than
a pointer to freed memory.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3118>
---
 src/backends/native/meta-onscreen-native.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backends/native/meta-onscreen-native.c b/src/backends/native/meta-onscreen-native.c
index a8b3c1941..eca6425cc 100644
--- a/src/backends/native/meta-onscreen-native.c
+++ b/src/backends/native/meta-onscreen-native.c
@@ -2483,4 +2483,5 @@ void
 meta_onscreen_native_detach (MetaOnscreenNative *onscreen_native)
 {
   clear_invalidation_handlers (onscreen_native);
+  onscreen_native->view = NULL;
 }