aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi/property.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/property.c')
-rw-r--r--drivers/acpi/property.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 1b0aeb832044..5906e247b9fa 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -152,10 +152,10 @@ 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;
@@ -646,6 +646,7 @@ 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
@@ -704,6 +705,9 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode,
if (ret)
return ret == -ENODEV ? -EINVAL : ret;
+ if (!args)
+ return 0;
+
args->fwnode = acpi_fwnode_handle(device);
args->nargs = 0;
return 0;