diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 99b4e3355435..4d958a165da0 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -851,6 +851,7 @@ static int acpi_get_ref_args(struct fwnode_reference_args *args, * @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 @@ -907,6 +908,9 @@ int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, if (!device) return -EINVAL; + if (!args) + return 0; + args->fwnode = acpi_fwnode_handle(device); args->nargs = 0; return 0;