From c8b67b91201792d27cd0323ced4d484bab636325 Mon Sep 17 00:00:00 2001
From: Volker Krause <vkrause@kde.org>
Date: Fri, 18 Mar 2022 15:43:26 +0100
Subject: [PATCH] Fix Qt6 build regressions introduced by 0cd453690be

Hard to avoid as long as we don't have CI coverage yet, but that will take
a bit more time, we need KWin (and all its dependencies) to fully build
first.
---
 src/backends/drm/virtual_egl_gbm_layer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backends/drm/virtual_egl_gbm_layer.cpp b/src/backends/drm/virtual_egl_gbm_layer.cpp
index b8b3938eb7..2244e21bea 100644
--- a/src/backends/drm/virtual_egl_gbm_layer.cpp
+++ b/src/backends/drm/virtual_egl_gbm_layer.cpp
@@ -90,7 +90,7 @@ bool VirtualEglGbmLayer::endRendering(const QRegion &damagedRegion)
         m_currentBuffer = buffer;
         m_currentDamage = damagedRegion;
     }
-    return buffer;
+    return !buffer.isNull();
 }
 
 QRegion VirtualEglGbmLayer::currentDamage() const