linux-kernel - [PATCH AUTOSEL 5.14 159/252] ACPICA: iASL: Fix for WPBT table with no command-line arguments

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Date:   Thu,  9 Sep 2021 07:39:33 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Bob Moore <robert.moore@...el.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Sasha Levin <sashal@...nel.org>, linux-acpi@...r.kernel.org,
        devel@...ica.org
Subject: [PATCH AUTOSEL 5.14 159/252] ACPICA: iASL: Fix for WPBT table with no command-line arguments

From: Bob Moore <robert.moore@...el.com>

[ Upstream commit 87b8ec5846cb81747088d1729acaf55a1155a267 ]

Handle the case where the Command-line Arguments table field
does not exist.

ACPICA commit d6487164497fda170a1b1453c5d58f2be7c873d6

Link: https://github.com/acpica/acpica/commit/d6487164
Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/acpi/actbl3.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index 86903ac5bbc5..9125e2f16329 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -723,6 +723,10 @@ struct acpi_table_wpbt {
 	u16 arguments_length;
 };
 
+struct acpi_wpbt_unicode {
+	u16 *unicode_string;
+};
+
 /*******************************************************************************
  *
  * WSMT - Windows SMM Security Mitigations Table
-- 
2.30.2