diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 693cf05b0cc44ffba54427fa12abf3017830e0e1..288673cff85eafff9ea694c18a0d195ef5333275 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -975,6 +975,14 @@ struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, const struct acpi_data_node *data = to_acpi_data_node(fwnode); struct acpi_data_node *dn; + /* + * We can have a combination of device and data nodes, e.g. with + * hierarchical _DSD properties. Make sure the adev pointer is + * restored before going through data nodes, otherwise we will + * be looking for data_nodes below the last device found instead + * of the common fwnode shared by device_nodes and data_nodes. + */ + adev = to_acpi_device_node(fwnode); if (adev) head = &adev->data.subnodes; else if (data)