diff --git a/[refs] b/[refs]
index 7be0eef4a882..936a8ecf323e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8db324ec4322a15cf8819b8a7f0eff5aa98b2ff6
+refs/heads/master: 5936ac7f93965931c508e1928d142076998ce65d
diff --git a/trunk/drivers/usb/wusbcore/devconnect.c b/trunk/drivers/usb/wusbcore/devconnect.c
index 63f200e4efb1..4ac4300a3f9a 100644
--- a/trunk/drivers/usb/wusbcore/devconnect.c
+++ b/trunk/drivers/usb/wusbcore/devconnect.c
@@ -267,6 +267,8 @@ static void wusbhc_devconnect_acked_work(struct work_struct *work)
 	mutex_lock(&wusbhc->mutex);
 	wusbhc_devconnect_acked(wusbhc, wusb_dev);
 	mutex_unlock(&wusbhc->mutex);
+
+	wusb_dev_put(wusb_dev);
 }
 
 /*
diff --git a/trunk/drivers/usb/wusbcore/wusbhc.c b/trunk/drivers/usb/wusbcore/wusbhc.c
index 07c63a31c799..3638cc68529f 100644
--- a/trunk/drivers/usb/wusbcore/wusbhc.c
+++ b/trunk/drivers/usb/wusbcore/wusbhc.c
@@ -339,13 +339,15 @@ void wusbhc_giveback_urb(struct wusbhc *wusbhc, struct urb *urb, int status)
 {
 	struct wusb_dev *wusb_dev = __wusb_dev_get_by_usb_dev(wusbhc, urb->dev);
 
-	if (status == 0) {
+	if (status == 0 && wusb_dev) {
 		wusb_dev->entry_ts = jiffies;
 
-		/* wusbhc_devconnect_acked() can't be called from from
+		/* wusbhc_devconnect_acked() can't be called from
 		   atomic context so defer it to a work queue. */
 		if (!list_empty(&wusb_dev->cack_node))
 			queue_work(wusbd, &wusb_dev->devconnect_acked_work);
+		else
+			wusb_dev_put(wusb_dev);
 	}
 
 	usb_hcd_giveback_urb(&wusbhc->usb_hcd, urb, status);