From 8c948f751a4e7325e3c7db5a1c5c4bbce7866b14 Mon Sep 17 00:00:00 2001
From: korei999 <ju7t1xe@gmail.com>
Date: Thu, 4 Jan 2024 01:47:04 +0200
Subject: [PATCH] fix posible NULL-dereference in wl_surface.commit handler

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

diff --git a/dwl.c b/dwl.c
index fc45f7f..f10d90c 100644
--- a/dwl.c
+++ b/dwl.c
@@ -826,7 +826,7 @@ commitnotify(struct wl_listener *listener, void *data)
 {
 	Client *c = wl_container_of(listener, c, commit);
 
-	if (client_surface(c)->mapped)
+	if (client_surface(c)->mapped && c->mon)
 		resize(c, c->geom, (c->isfloating && !c->isfullscreen), c->bw > 0);
 
 	/* mark a pending resize as completed */