diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c
index e2e7e4bc84635319f763201366c4fb37fc6ef741..8e18141bb2e08d550351f3f8b1b0b91b6f2409db 100644
--- a/drivers/usb/wusbcore/devconnect.c
+++ b/drivers/usb/wusbcore/devconnect.c
@@ -386,6 +386,7 @@ static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc,
 			  | USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED);
 	port->change |= USB_PORT_STAT_C_CONNECTION | USB_PORT_STAT_C_ENABLE;
 	if (wusb_dev) {
+		dev_dbg(wusbhc->dev, "disconnecting device from port %d\n", wusb_dev->port_idx);
 		if (!list_empty(&wusb_dev->cack_node))
 			list_del_init(&wusb_dev->cack_node);
 		/* For the one in cack_add() */
diff --git a/drivers/usb/wusbcore/rh.c b/drivers/usb/wusbcore/rh.c
index 95c6fa3bf6b24e7541d2185caabdfebd8c9781a3..407a9fcc89ccd3f8bd4ab53809ae50191c1cd7f5 100644
--- a/drivers/usb/wusbcore/rh.c
+++ b/drivers/usb/wusbcore/rh.c
@@ -100,6 +100,9 @@ static int wusbhc_rh_port_reset(struct wusbhc *wusbhc, u8 port_idx)
 	struct wusb_port *port = wusb_port_by_idx(wusbhc, port_idx);
 	struct wusb_dev *wusb_dev = port->wusb_dev;
 
+	if (wusb_dev == NULL)
+		return -ENOTCONN;
+
 	port->status |= USB_PORT_STAT_RESET;
 	port->change |= USB_PORT_STAT_C_RESET;