rty.c
+++ b/drivers/acpi/property.c
@@ -124,6 +124,10 @@ static bool acpi_nondev_subnode_extract(union acpi_object *desc,
 		result = true;
 
 	if (result) {
+		/*
+		 * This will be NULL if the desc package is embedded in an outer
+		 * _DSD-equivalent package and its scope cannot be determined.
+		 */
 		dn->handle = handle;
 		dn->data.pointer = desc;
 		list_add_tail(&dn->sibling, list);
@@ -224,6 +228,8 @@ static bool acpi_add_nondev_subnodes(acpi_handle scope,
 			 * strings because there is no way to build full
 			 * pathnames out of them.
 			 */
+			acpi_handle_debug(scope, "subnode %s: Unknown scope\n",
+					  link->package.elements[0].string.pointer);
 			desc = &link->package.elements[1];
 			result = acpi_nondev_subnode_extract(desc, NULL, link,
 							     list, parent);
@@ -396,6 +402,9 @@ static void acpi_untie_nondev_subnodes(struct acpi_device_data *data)
 	struct acpi_data_node *dn;
 
 	list_for_each_entry(dn, &data->subnodes, sibling) {
+		if (!dn->handle)
+			continue;
+
 		acpi_detach_data(dn->handle, acpi_nondev_subnode_tag);
 
 		acpi_untie_nondev_subnodes(&dn->data);
@@ -410,6 +419,9 @@ static bool acpi_tie_nondev_subnodes(struct acpi_device_data *data)
 		acpi_status status;
 		bool ret;
 
+		if (!dn->handle)
+			continue;
+
 		status = acpi_attach_data(dn->handle, acpi_nondev_subnode_tag, dn);
 		if (ACPI_FAILURE(status) && status != AE_ALREADY_EXISTS) {
 			acpi_handle_err(dn->handle, "Can't tag data node\n");FAILED: patch "[PATCH] ACPI: property: Do not pass NULL handles to" failed to apply to 6.17-stable tree<gregkh@linuxfoundation.org> undefinedrafael.j.wysocki@intel.com,sakari.ailus@linux.intel.com,stable@vger.kernel.org undefined undefined undefined���G