diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 76e00bfedc25..5fb3f55ef06d 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -50,13 +50,15 @@ static ssize_t disable_show(struct device *dev,
 	struct usb_port *port_dev = to_usb_port(dev);
 	struct usb_device *hdev = to_usb_device(dev->parent->parent);
 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);
-	struct usb_interface *intf = to_usb_interface(hub->intfdev);
+	struct usb_interface *intf = to_usb_interface(dev->parent);
 	int port1 = port_dev->portnum;
 	u16 portstatus, unused;
 	bool disabled;
 	int rc;
 	struct kernfs_node *kn;
 
+	if (!hub)
+		return -ENODEV;
 	hub_get(hub);
 	rc = usb_autopm_get_interface(intf);
 	if (rc < 0)
@@ -100,12 +102,14 @@ static ssize_t disable_store(struct device *dev, struct device_attribute *attr,
 	struct usb_port *port_dev = to_usb_port(dev);
 	struct usb_device *hdev = to_usb_device(dev->parent->parent);
 	struct usb_hub *hub = usb_hub_to_struct_hub(hdev);
-	struct usb_interface *intf = to_usb_interface(hub->intfdev);
+	struct usb_interface *intf = to_usb_interface(dev->parent);
 	int port1 = port_dev->portnum;
 	bool disabled;
 	int rc;
 	struct kernfs_node *kn;
 
+	if (!hub)
+		return -ENODEV;
 	rc = kstrtobool(buf, &disabled);
 	if (rc)
 		return rc;