From e67f6c0113fb47dee4f223faeb1ae105c4c95d13 Mon Sep 17 00:00:00 2001
From: tiosgz <alamica@protonmail.com>
Date: Sat, 6 Nov 2021 17:50:14 +0000
Subject: [PATCH] deref decoration::view

although the targeted situation should (according to the protocol) never
occur, there is something that triggers it from time to time (maybe
wlroots?)
---
 kiwmi/desktop/xdg_shell.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/kiwmi/desktop/xdg_shell.c b/kiwmi/desktop/xdg_shell.c
index 62bc41d..a4e4bfb 100644
--- a/kiwmi/desktop/xdg_shell.c
+++ b/kiwmi/desktop/xdg_shell.c
@@ -239,6 +239,10 @@ xdg_surface_destroy_notify(struct wl_listener *listener, void *UNUSED(data))
         view_child_destroy(child);
     }
 
+    if (view->decoration) {
+        view->decoration->view = NULL;
+    }
+
     wl_list_remove(&view->link);
     wl_list_remove(&view->children);
     wl_list_remove(&view->map.link);
@@ -511,7 +515,9 @@ xdg_decoration_destroy_notify(struct wl_listener *listener, void *UNUSED(data))
     struct kiwmi_xdg_decoration *decoration =
         wl_container_of(listener, decoration, destroy);
 
-    decoration->view->decoration = NULL;
+    if (decoration->view) {
+        decoration->view->decoration = NULL;
+    }
 
     wl_list_remove(&decoration->destroy.link);
     wl_list_remove(&decoration->request_mode.link);