ACPICA: iasl: handle empty connection_node

[ Upstream commit a0a2459 ] ACPICA commit 6c551e2c9487067d4b085333e7fe97e965a11625 Link: acpica/acpica@6c551e2c Signed-off-by: Aleksandrs Vinarskis <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
Nevuly · Oct 10, 2024 · edb7426 · edb7426
1 parent 9f91a52
commit edb7426
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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);