netdev - Re: [PATCH 12/12] usbnet: make device out of suspend before calling usbnet_read/write

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Date:	Wed, 10 Oct 2012 14:00:38 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	Oliver Neukum <oneukum@...e.de>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	netdev@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 12/12] usbnet: make device out of suspend before calling usbnet_read/write_cmd

On Wed, Oct 10, 2012 at 10:33 AM, Ming Lei <ming.lei@...onical.com> wrote:
> Good catch, thanks for your review.
>
> As far as I can think of, the mutex_is_locked() trick can solve the problem.
>
> How about the attached patch?

This one is still not good.

After further thought, it may be better to fix the problem in net
core(dev_ioctl)
because the problem happens on other net devices too.

Thanks,
--
Ming Lei
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