Subject: Re: [PATCH net 2/2] r8152: reset device when tx timeout

From: Oliver Neukum <[email-masked]>
Date: Tue, 28 Jul 2015 10:56:39 +0200

On Tue, 2015-07-28 at 15:36 +0800, Hayes Wang wrote:
> The device reset is necessary if the hw becomes abnormal and stops
> transmitting packets.

You are not the first one to face this problem. Hence there
is a helper:

 * usb_queue_reset_device - Reset a USB device from an atomic context
 * @iface: USB interface belonging to the device to reset
 *
 * This function can be used to reset a USB device from an atomic
 * context, where usb_reset_device() won't work (as it blocks).

Please use it if you can. Your version for example is buggy.
It will oops if you unplug the device while a reset is scheduled.

	Regards
		Oliver