[PATCH AUTOSEL 4.19 48/74] ACPICA: iASL: Fix for WPBT table with no command-line arguments

From: Sasha Levin
Date: Thu Sep 09 2021 - 09:36:53 EST


From: Bob Moore <robert.moore@xxxxxxxxx>

[ 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@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
include/acpi/actbl3.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index 501f341d1d92..d1fe16d67747 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -631,6 +631,10 @@ struct acpi_table_wpbt {
u16 arguments_length;
};

+struct acpi_wpbt_unicode {
+ u16 *unicode_string;
+};
+
/*******************************************************************************
*
* WSMT - Windows SMM Security Migrations Table
--
2.30.2