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From: David Miller <davem@davemloft.net>
To: Jan.Kloetzke@preh.de
Cc: oneukum@suse.com, jan@kloetzke.net, netdev@vger.kernel.org,
	linux-usb@vger.kernel.org
Subject: Re: [PATCH v2] usbnet: fix kernel crash after disconnect
Date: Sun, 05 May 2019 00:45:56 -0700 (PDT)	[thread overview]
Message-ID: <20190505.004556.492323065607253635.davem@davemloft.net> (raw)
In-Reply-To: <20190430141440.9469-1-Jan.Kloetzke@preh.de>

From: Kloetzke Jan <Jan.Kloetzke@preh.de>
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.

  reply	other threads:[~2019-05-05  7:45 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-17  9:19 [PATCH] usbnet: fix kernel crash after disconnect Kloetzke Jan
2019-04-18  6:37 ` Oliver Neukum
2019-04-18  8:02   ` Kloetzke Jan
2019-04-18 23:35     ` David Miller
2019-04-19  7:17       ` Jan Klötzke
2019-04-29 18:48         ` Oliver Neukum
2019-04-30 14:08           ` Kloetzke Jan
2019-04-30 14:15           ` [PATCH v2] " Kloetzke Jan
2019-05-05  7:45             ` David Miller [this message]
2019-05-06  8:17               ` Oliver Neukum
2019-05-16  7:10                 ` Kloetzke Jan
2019-05-21  0:09                   ` David Miller
2019-05-21  9:48                   ` Oliver Neukum
2019-05-21 10:12                     ` Kloetzke Jan
2019-05-21 11:42                       ` Oliver Neukum
2019-05-21 13:18                         ` [PATCH v3] " Kloetzke Jan
2019-05-21 20:47                           ` David Miller

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