[PATCH AUTOSEL 4.14 38/59] ACPICA: iASL: Fix for WPBT table with no command-line arguments

[Sasha Levin <sashal@xxxxxxxxxx>]

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 5bde2e700530..7525ab3fb7ec 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -836,6 +836,10 @@ struct acpi_table_wpbt {
 	u16 arguments_length;
 };
 
+struct acpi_wpbt_unicode {
+	u16 *unicode_string;
+};
+
 /*******************************************************************************
  *
  * XENV - Xen Environment Table (ACPI 6.0)
-- 
2.30.2