diff options
Diffstat (limited to 'drivers/usb/core/usb-acpi.c')
-rw-r--r-- | drivers/usb/core/usb-acpi.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index 935c0efea0b6..489dbdc96f94 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -157,7 +157,7 @@ EXPORT_SYMBOL_GPL(usb_acpi_set_power_state); */ static int usb_acpi_add_usb4_devlink(struct usb_device *udev) { - const struct device_link *link; + struct device_link *link; struct usb_port *port_dev; struct usb_hub *hub; @@ -165,6 +165,8 @@ static int usb_acpi_add_usb4_devlink(struct usb_device *udev) return 0; hub = usb_hub_to_struct_hub(udev->parent); + if (!hub) + return 0; port_dev = hub->ports[udev->portnum - 1]; struct fwnode_handle *nhi_fwnode __free(fwnode_handle) = @@ -186,6 +188,8 @@ static int usb_acpi_add_usb4_devlink(struct usb_device *udev) dev_dbg(&port_dev->dev, "Created device link from %s to %s\n", dev_name(&port_dev->child->dev), dev_name(nhi_fwnode->dev)); + udev->usb4_link = link; + return 0; } |