From: Kloetzke Jan <Jan.Kloetzke@xxxxxxx>
Date: Tue, 30 Apr 2019 14:15:07 +0000
> @@ -1431,6 +1432,11 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
> spin_unlock_irqrestore(&dev->txq.lock, flags);
> goto drop;
> }
> + if (WARN_ON(netif_queue_stopped(net))) {
> + usb_autopm_put_interface_async(dev->intf);
> + spin_unlock_irqrestore(&dev->txq.lock, flags);
> + goto drop;
> + }
If this is known to happen and is expected, then we should not warn.
