From 2a85fc5626797f9057311a419b1d5d847d86c527 Mon Sep 17 00:00:00 2001
From: Kees Cook <kees@outflux.net>
Date: Wed, 5 Apr 2023 15:56:06 +0200
Subject: [PATCH] ACPICA: acpi_madt_oem_data: Fix flexible array member
 definition

ACPICA commit e7f6d8c1b7f79eb4b9b07f1bc09c549a2acbd6e8

Use ACPI_FLEX_ARRAY() helper to define flexible array member alone in a
struct. Fixes issue #812.

No binary changes appear in the .text nor .data sections.

Link: https://github.com/acpica/acpica/commit/e7f6d8c1
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 include/acpi/actbl2.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index a51fd4090d27..0029336775a9 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -1274,7 +1274,7 @@ enum acpi_madt_rintc_version {
 /* 80: OEM data */
 
 struct acpi_madt_oem_data {
-	u8 oem_data[0];
+	ACPI_FLEX_ARRAY(u8, oem_data);
 };
 
 /*