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Date:	Sat, 03 Nov 2012 14:52:07 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	ming.lei@...onical.com
Cc:	gregkh@...uxfoundation.org, oneukum@...e.de,
	netdev@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 0/4] usbnet: avoiding access auto-suspended device

From: Ming Lei <ming.lei@...onical.com>
Date: Mon, 29 Oct 2012 15:45:05 +0800

> Thip patchset avoids accessing auto-suspended device in ioctl path,
> which is generally triggered by some network utility(ethtool, ifconfig,
> ...)
> 
> Most of network devices have the problem, but as discussed in the
> thread:
> 
> 	http://marc.info/?t=135054860600003&r=1&w=2
> 
> the problem should be solved inside driver.
> 
> Considered that only smsc75xx and smsc95xx calls usbnet_read_cmd()
> and usbnet_write_cmd() inside its resume and suspend callback, the
> patcheset introduce the nopm version of the two functions which
> should be called only in the resume and suspend callback. So we
> can solve the problem by runtime resuming device before doing
> control message things.
> 
> The patchset is against 3.7.0-rc3-next-20121029, and has been tested
> OK on smsc95xx usbnet device.

This series doesn't apply against net-next, as there have been
changes to the smsc drivers meanwhile.

You'll need to respin this series against net-next.
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