From 9c155eefdc018f878ea6950e6bd383b985401339 Mon Sep 17 00:00:00 2001
From: Ben Jargowsky <benjar63@gmail.com>
Date: Fri, 2 Dec 2022 11:15:55 -0800
Subject: [PATCH] Check that inhibitor scene tree is not null

---
 dwl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dwl.c b/dwl.c
index 5f6d061..7ab649a 100644
--- a/dwl.c
+++ b/dwl.c
@@ -598,7 +598,7 @@ checkidleinhibitor(struct wlr_surface *exclude)
 	wl_list_for_each(inhibitor, &idle_inhibit_mgr->inhibitors, link) {
 		struct wlr_scene_tree *tree = inhibitor->surface->data;
 		if (bypass_surface_visibility || (exclude != inhibitor->surface
-				&& tree->node.enabled)) {
+				&& tree && tree->node.enabled)) {
 			inhibited = 1;
 			break;
 		}