From 2e8b1e8211070e49024eed93829dc70784072db3 Mon Sep 17 00:00:00 2001
From: Visual Ehrmanntraut
 <30368284+VisualEhrmanntraut@users.noreply.github.com>
Date: Mon, 19 Aug 2024 17:36:26 +0300
Subject: [PATCH] fix(X6000FB): fail if embedded panel link is null

---
 NootedRed/X6000FB.cpp | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/NootedRed/X6000FB.cpp b/NootedRed/X6000FB.cpp
index 0f16e93e..8c7ef89f 100644
--- a/NootedRed/X6000FB.cpp
+++ b/NootedRed/X6000FB.cpp
@@ -314,16 +314,8 @@ IOReturn X6000FB::wrapSetAttributeForConnection(IOService *framebuffer, IOIndex
         connectIndex, attribute, value);
     if (attribute != static_cast<UInt32>('bklt')) { return ret; }
 
-    if (!callback->maxPwmBacklightLvl) {
-        DBGLOG("X6000FB", "setAttributeForConnection: May not control backlight at this time; maxPwmBacklightLvl is 0");
-        return kIOReturnSuccess;
-    }
-
-    if (callback->embeddedPanelLink == nullptr) {
-        DBGLOG("X6000FB",
-            "setAttributeForConnection: May not control backight at this time; embeddedPanelLink is nullptr");
-        return kIOReturnSuccess;
-    }
+    if (callback->maxPwmBacklightLvl == 0) { return kIOReturnSuccess; }
+    if (callback->embeddedPanelLink == nullptr) { return kIOReturnNoDevice; }
 
     // Set the backlight
     callback->curPwmBacklightLvl = static_cast<UInt32>(value);