diff options
Diffstat (limited to 'drivers/acpi/property.c')
-rw-r--r-- | drivers/acpi/property.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 27db1a968241..cfee286ee5c5 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -132,10 +132,10 @@ static bool acpi_nondev_subnode_ok(acpi_handle scope, return acpi_nondev_subnode_data_ok(handle, link, list, parent); } -static int acpi_add_nondev_subnodes(acpi_handle scope, - const union acpi_object *links, - struct list_head *list, - struct fwnode_handle *parent) +static bool acpi_add_nondev_subnodes(acpi_handle scope, + const union acpi_object *links, + struct list_head *list, + struct fwnode_handle *parent) { bool ret = false; int i; @@ -566,6 +566,7 @@ acpi_fwnode_get_named_child_node(const struct fwnode_handle *fwnode, * @index: Index of the reference to return * @num_args: Maximum number of arguments after each reference * @args: Location to store the returned reference with optional arguments + * (may be NULL) * * Find property with @name, verifify that it is a package containing at least * one object reference and if so, store the ACPI device object pointer to the @@ -618,12 +619,15 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, */ if (obj->type == ACPI_TYPE_LOCAL_REFERENCE) { if (index) - return -EINVAL; + return -ENOENT; ret = acpi_bus_get_device(obj->reference.handle, &device); if (ret) return ret == -ENODEV ? -EINVAL : ret; + if (!args) + return 0; + args->fwnode = acpi_fwnode_handle(device); args->nargs = 0; return 0; |