diff options
Diffstat (limited to 'drivers/acpi/property.c')
-rw-r--r-- | drivers/acpi/property.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 07d76fb740b6..a6ead5204046 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -881,6 +881,7 @@ static struct fwnode_handle *acpi_parse_string_ref(const struct fwnode_handle *f * @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 @@ -938,6 +939,9 @@ 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; |