Kernel: Don't populate the ACPI SysFS directory with a disabled ACPI

This would cause a nullptr dereference on ACPI::Parser::the().
Author: https://github.com/IdanHo Commit: https://github.com/SerenityOS/serenity/commit/3945e239e11 Pull-request: https://github.com/SerenityOS/serenity/pull/11989 Issue: https://github.com/SerenityOS/serenity/issues/11980 Reviewed-by: https://github.com/supercomputer7 ✅
2025-04-21 03:55:24 +00:00 · 2022-01-18 10:53:28 +02:00 · 2022-01-18 10:53:28 +02:00 · 3945e239e1 · 2024-07-17 20:39:52 +09:00
commit 3945e239e1
parent 57ba67ed2a
1 changed files with 2 additions and 1 deletions
--- a/Kernel/Firmware/SysFSFirmware.cpp
+++ b/Kernel/Firmware/SysFSFirmware.cpp
@ -22,7 +22,8 @@ UNMAP_AFTER_INIT void FirmwareSysFSDirectory::initialize()
 void FirmwareSysFSDirectory::create_components()
 {
    m_components.append(BIOSSysFSDirectory::must_create(*this));
-    m_components.append(ACPI::ACPISysFSDirectory::must_create(*this));
+    if (ACPI::is_enabled())
+        m_components.append(ACPI::ACPISysFSDirectory::must_create(*this));
    m_components.append(PowerStateSwitchNode::must_create(*this));
 }