From cd0a470e1d8d6b978bd01e694bd95d56850c89d7 Mon Sep 17 00:00:00 2001
From: Alex <enderice2@users.noreply.github.com>
Date: Sun, 23 Apr 2023 07:50:09 +0300
Subject: [PATCH] Fix a bug where GetCurrentProcess returned null inside DSDT

---
 .../amd64/DifferentiatedSystemDescriptionTable.cpp         | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Architecture/amd64/DifferentiatedSystemDescriptionTable.cpp b/Architecture/amd64/DifferentiatedSystemDescriptionTable.cpp
index 3515ba5..545fbae 100644
--- a/Architecture/amd64/DifferentiatedSystemDescriptionTable.cpp
+++ b/Architecture/amd64/DifferentiatedSystemDescriptionTable.cpp
@@ -79,7 +79,12 @@ namespace ACPI
         else if (Event & ACPI_POWER_BUTTON)
         {
             if (TaskManager)
-                TaskManager->CreateThread(TaskManager->GetCurrentProcess(), (Tasking::IP)KST_Shutdown);
+            {
+                Tasking::PCB *ParentProcess = TaskManager->GetCurrentProcess();
+                if (!ParentProcess)
+                    ParentProcess = GetCPU(0)->CurrentProcess.load();
+                TaskManager->CreateThread(ParentProcess, (Tasking::IP)KST_Shutdown);
+            }
             else
                 KernelShutdownThread(false);
         }