From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/acpi/acpica/nswalk.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/acpi/acpica/nswalk.c b/kernel/drivers/acpi/acpica/nswalk.c
index e9a061d..901fa5c 100644
--- a/kernel/drivers/acpi/acpica/nswalk.c
+++ b/kernel/drivers/acpi/acpica/nswalk.c
@@ -3,7 +3,7 @@
*
* Module Name: nswalk - Functions for walking the ACPI namespace
*
- * Copyright (C) 2000 - 2018, Intel Corp.
+ * Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/
@@ -169,6 +169,9 @@
if (start_node == ACPI_ROOT_OBJECT) {
start_node = acpi_gbl_root_node;
+ if (!start_node) {
+ return_ACPI_STATUS(AE_NO_NAMESPACE);
+ }
}
/* Null child means "get first node" */
--
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