From fb3018b711ac41c364ee83c5ea1e865a8b9c11bd Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Mon, 27 Mar 2023 02:11:37 +0200
Subject: [PATCH] dpms: Make sure we are not calling the interface after the
 output is gone

It seems it's possible at times, as described in the bug.

BUG: 466346
---
 src/wayland/dpms_interface.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/wayland/dpms_interface.cpp b/src/wayland/dpms_interface.cpp
index 866c3ec9ec..411b78d81c 100644
--- a/src/wayland/dpms_interface.cpp
+++ b/src/wayland/dpms_interface.cpp
@@ -133,11 +133,19 @@ void DpmsInterface::org_kde_kwin_dpms_set(Resource *resource, uint32_t mode)
 
 void DpmsInterface::sendSupported()
 {
+    if (!m_output || m_output->isRemoved()) {
+        return;
+    }
+
     send_supported(m_output->handle()->capabilities() & Output::Capability::Dpms ? 1 : 0);
 }
 
 void DpmsInterface::sendMode()
 {
+    if (!m_output || m_output->isRemoved()) {
+        return;
+    }
+
     const auto mode = m_output->handle()->dpmsMode();
     org_kde_kwin_dpms_mode wlMode;
     switch (mode) {