From 62d2d12bc1e3d9a6f78dcbfc4c6710fd1da39b2b Mon Sep 17 00:00:00 2001
From: Bert Gijsbers <gijsbers@science.uva.nl>
Date: Wed, 10 Jan 2024 21:26:47 +0100
Subject: [PATCH] In DEBUG mode, guard against nullptr focus.

---
 src/wmmgr.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wmmgr.cc b/src/wmmgr.cc
index a3ed25287..5a59f689a 100644
--- a/src/wmmgr.cc
+++ b/src/wmmgr.cc
@@ -1086,7 +1086,7 @@ void YWindowManager::setFocus(YFrameWindow *f, bool canWarp, bool reorder) {
     } else if (f && c && w == c) {
         MSG(("%lX Focus 0x%lX client %s",
              xapp->getEventTime("focus1"), w->handle(), f->getTitle().c_str()));
-    } else {
+    } else if (w) {
         MSG(("%lX Focus 0x%lX",
              xapp->getEventTime("focus1"), w->handle()));
     }