From e46f2e61169b9cadc88e7df433c6c92d1c7fab54 Mon Sep 17 00:00:00 2001
From: Rafal Kupiec <belliash@codingworkshop.eu.org>
Date: Tue, 9 Jul 2024 22:36:40 +0200
Subject: [PATCH] Ensure that table header is not set before attempting to find
 ACPI table

---
 xtoskrnl/hl/acpi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xtoskrnl/hl/acpi.c b/xtoskrnl/hl/acpi.c
index 13f1b5a..a04a4f1 100644
--- a/xtoskrnl/hl/acpi.c
+++ b/xtoskrnl/hl/acpi.c
@@ -452,6 +452,9 @@ HlpQueryAcpiTables(IN ULONG Signature,
         return STATUS_INVALID_PARAMETER;
     }
 
+    /* Ensure that table header is not set before attempting to find ACPI table */
+    TableHeader = NULL;
+
     /* Check if DSDT or FACS table requested */
     if(Signature == ACPI_DSDT_SIGNATURE || Signature == ACPI_FACS_SIGNATURE)
     {