From fec4e058e59f5245db9f906dc78000194ba850b7 Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Tue, 15 Sep 2020 13:53:17 +0200
Subject: [PATCH] Do not try to create a gbm dmabuf when gbm is not available

Allows us to take the fallback path instead of just crashing
---
 plugins/platforms/drm/gbm_dmabuf.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugins/platforms/drm/gbm_dmabuf.cpp b/plugins/platforms/drm/gbm_dmabuf.cpp
index b2015b96fa..866ac7a13a 100644
--- a/plugins/platforms/drm/gbm_dmabuf.cpp
+++ b/plugins/platforms/drm/gbm_dmabuf.cpp
@@ -31,6 +31,10 @@ GbmDmaBuf::~GbmDmaBuf()
 
 KWin::GbmDmaBuf *GbmDmaBuf::createBuffer(const QSize &size, gbm_device *device)
 {
+    if (!device) {
+        return nullptr;
+    }
+
     auto bo = gbm_bo_create(device, size.width(), size.height(), GBM_BO_FORMAT_ARGB8888, GBM_BO_USE_RENDERING | GBM_BO_USE_LINEAR);
 
     if (!bo) {