diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index 1ce48f5832d7..f43fbb28044b 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -175,13 +175,15 @@ static struct uss720_async_request *submit_async_request(struct parport_uss720_p
 
 static unsigned int kill_all_async_requests_priv(struct parport_uss720_private *priv)
 {
-	struct uss720_async_request *rq;
+	struct uss720_async_request *rq, *tmp;
 	unsigned long flags;
 	unsigned int ret = 0;
 
 	spin_lock_irqsave(&priv->asynclock, flags);
-	list_for_each_entry(rq, &priv->asynclist, asynclist) {
-		usb_unlink_urb(rq->urb);
+	list_for_each_entry_safe(rq, tmp, &priv->asynclist, asynclist) {
+		spin_unlock_irqrestore(&priv->asynclock, flags);
+		usb_kill_urb(rq->urb);
+		spin_lock_irqsave(&priv->asynclock, flags);
 		ret++;
 	}
 	spin_unlock_irqrestore(&priv->asynclock, flags);