From 1c5c905c25267b6281517bb985a06e77240adf0b Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Sat, 20 Jul 2024 17:58:49 +0200
Subject: [PATCH] fix crash

---
 src/protocols/MesaDRM.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/protocols/MesaDRM.cpp b/src/protocols/MesaDRM.cpp
index 8ceb24a6..b4df1e29 100644
--- a/src/protocols/MesaDRM.cpp
+++ b/src/protocols/MesaDRM.cpp
@@ -124,6 +124,14 @@ CMesaDRMProtocol::CMesaDRMProtocol(const wl_interface* iface, const int& ver, co
         nodeName = dev->nodes[DRM_NODE_RENDER];
     } else {
         ASSERT(dev->available_nodes & (1 << DRM_NODE_PRIMARY));
+
+        if (!dev->nodes[DRM_NODE_PRIMARY]) {
+            LOGM(ERR, "No DRM render node available, both render and primary are null, disabling MesaDRM");
+            drmFreeDevice(&dev);
+            removeGlobal();
+            return;
+        }
+
         LOGM(WARN, "No DRM render node, falling back to primary {}", dev->nodes[DRM_NODE_PRIMARY]);
         nodeName = dev->nodes[DRM_NODE_PRIMARY];
     }