linux-kernel - Re: [PATCH net] r8152: return -EBUSY for runtime suspend

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Message-Id: <20141017.234653.505926640053533707.davem@davemloft.net>
Date:	Fri, 17 Oct 2014 23:46:53 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	hayeswang@...ltek.com
Cc:	netdev@...r.kernel.org, nic_swsd@...ltek.com,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH net] r8152: return -EBUSY for runtime suspend

From: Hayes Wang <hayeswang@...ltek.com>
Date: Fri, 17 Oct 2014 16:55:08 +0800

> Remove calling cancel_delayed_work_sync() for runtime suspend,
> because it would cause dead lock. Instead, return -EBUSY to
> avoid the device enters suspending if the net is running and
> the delayed work is pending or running. The delayed work would
> try to wake up the device later, so the suspending is not
> necessary.
> 
> Signed-off-by: Hayes Wang <hayeswang@...ltek.com>

Applied.
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