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From: Oliver Neukum <oneukum@suse.com>
To: Hayes Wang <hayeswang@realtek.com>
Cc: netdev@vger.kernel.org, nic_swsd@realtek.com,
	linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH net v2 2/2] r8152: reset device when tx timeout
Date: Tue, 28 Jul 2015 14:14:05 +0200	[thread overview]
Message-ID: <1438085645.1787.4.camel@suse.com> (raw)
In-Reply-To: <1394712342-15778-161-Taiwan-albertk@realtek.com>

On Tue, 2015-07-28 at 20:08 +0800, Hayes Wang wrote:
>  static void rtl8152_tx_timeout(struct net_device *netdev)
>  {
>         struct r8152 *tp = netdev_priv(netdev);
> -       int i;
>  
>         netif_warn(tp, tx_err, netdev, "Tx timeout\n");
> -       for (i = 0; i < RTL8152_MAX_TX; i++)
> -               usb_unlink_urb(tp->tx_info[i].urb);
> +
> +       usb_queue_reset_device(tp->intf);
> +       cancel_delayed_work(&tp->schedule);

Sorry to bother you again, but this looks wrong.
You want to cancel first. There is no point in
running any work before the reset is done. It will
undo any progress anyway.

	Regards
		Oliver

  reply	other threads:[~2015-07-28 12:15 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-28  7:36 [PATCH net 0/2] r8152: device reset Hayes Wang
2015-07-28  7:36 ` [PATCH net 1/2] r8152: add pre_reset and post_reset Hayes Wang
2015-07-28  8:52   ` Oliver Neukum
     [not found]     ` <1438073562.11934.2.camel-IBi9RG/b67k@public.gmane.org>
2015-07-28  9:52       ` Hayes Wang
2015-07-28 12:05         ` Oliver Neukum
2015-07-28  7:36 ` [PATCH net 2/2] r8152: reset device when tx timeout Hayes Wang
2015-07-28  8:56   ` Oliver Neukum
2015-07-28  9:52     ` Hayes Wang
2015-07-28 12:08 ` [PATCH net v2 0/2] r8152: device reset Hayes Wang
2015-07-28 12:08   ` [PATCH net v2 1/2] r8152: add pre_reset and post_reset Hayes Wang
2015-07-28 12:08   ` [PATCH net v2 2/2] r8152: reset device when tx timeout Hayes Wang
2015-07-28 12:14     ` Oliver Neukum [this message]
2015-07-28 12:31       ` Hayes Wang
2015-07-28 12:58         ` Oliver Neukum
2015-07-29  2:06           ` Hayes Wang
2015-07-29  7:22             ` Oliver Neukum
2015-07-29 11:09               ` Hayes Wang
2015-07-29 12:39 ` [PATCH net v3 0/2] r8152: device reset Hayes Wang
2015-07-29 12:39   ` [PATCH net v3 1/2] r8152: add pre_reset and post_reset Hayes Wang
2015-07-29 12:39   ` [PATCH net v3 2/2] r8152: reset device when tx timeout Hayes Wang
2015-07-30 21:04   ` [PATCH net v3 0/2] r8152: device reset David Miller

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