From 5e8bb7178501ea65fe54be5614e6ba4a6369c600 Mon Sep 17 00:00:00 2001
From: Maximilian Seidler <78690852+PaideiaDilemma@users.noreply.github.com>
Date: Thu, 3 Apr 2025 16:40:59 +0200
Subject: [PATCH] ctm: fix crash when finishing ctm progress with a destroyed
 monitor (#9835)

---
 src/protocols/CTMControl.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/protocols/CTMControl.cpp b/src/protocols/CTMControl.cpp
index 322f95e2d..750c6f8b5 100644
--- a/src/protocols/CTMControl.cpp
+++ b/src/protocols/CTMControl.cpp
@@ -158,7 +158,8 @@ void CHyprlandCTMControlProtocol::setCTM(PHLMONITOR monitor, const Mat3x3& ctm)
 
     data->progress->setCallbackOnEnd([monitor = PHLMONITORREF{monitor}, this](auto) {
         if (!monitor || !m_mCTMDatas.contains(monitor)) {
-            monitor->setCTM(Mat3x3::identity());
+            if (monitor)
+                monitor->setCTM(Mat3x3::identity());
             return;
         }
         auto& data = m_mCTMDatas.at(monitor);