linux-kernel - Re: [PATCH 2/3] gigaset: in file ops, check for device disconnect before anything else

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Date:	Mon, 06 Apr 2009 17:43:40 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	tilman@...p.cc
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org, hjlipp@....de
Subject: Re: [PATCH 2/3] gigaset: in file ops, check for device disconnect
 before anything else

From: Tilman Schmidt <tilman@...p.cc>
Date: Sun,  5 Apr 2009 18:39:33 +0200 (CEST)

> When the device is disconnected, the dev structure goes away, so
> trying to report another error via dev_printk is bound to oops.
> To avoid that, first check whether the device is still connected
> and return quietly if it isn't.
> 
> Impact: error handling
> 
> Signed-off-by: Tilman Schmidt <tilman@...p.cc>
> Reported-by: Paul Bolle <pebolle@...cali.nl>
> Tested-by: Paul Bolle <pebolle@...cali.nl>

Applied.
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