linux-kernel - [PATCH v1 18/20] ACPICA: iasl: handle empty connection

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Message-ID: <115008536.nniJfEyVGO@rjwysocki.net>
Date: Thu, 29 Aug 2024 20:42:37 +0200
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Linux ACPI <linux-acpi@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, Bob Moore <robert.moore@...el.com>,
 Saket Dumbre <saket.dumbre@...el.com>
Subject: [PATCH v1 18/20] ACPICA: iasl: handle empty connection_node

From: Aleksandrs Vinarskis <alex.vinarskis@...il.com>

ACPICA commit 6c551e2c9487067d4b085333e7fe97e965a11625

Link: https://github.com/acpica/acpica/commit/6c551e2c
Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/acpi/acpica/exprep.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 08196fa17080..82b1fa2d201f 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -437,6 +437,9 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
 
 		if (info->connection_node) {
 			second_desc = info->connection_node->object;
+			if (second_desc == NULL) {
+				break;
+			}
 			if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) {
 				status =
 				    acpi_ds_get_buffer_arguments(second_desc);
-- 
2.43.0