netdev - Re: [PATCH] WAN: flush tx_queue in hdlc_ppp to prevent panic on rmmod hw

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Message-Id: <20100422.144339.128290761.davem@davemloft.net>
Date:	Thu, 22 Apr 2010 14:43:39 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	michaelbarkowski@...gedcom.com
Cc:	khc@...waw.pl, netdev@...r.kernel.org
Subject: Re: [PATCH] WAN: flush tx_queue in hdlc_ppp to prevent panic on
 rmmod hw_driver.

From: Michael Barkowski <michaelbarkowski@...gedcom.com>
Date: Thu, 22 Apr 2010 15:17:13 -0400

> Krzysztof Halasa wrote:
>> tx_queue is used as a temporary queue when not allowed to queue skb
>> directly to the hw device driver (which may sleep). Most paths flush
>> it before returning, but ppp_start() currently cannot. Make sure we
>> don't leave skbs pointing to a non-existent device.
>> 
>> Thanks to Michael Barkowski for reporting this problem.
> 
> Great - thanks.  Will this be going into -stable?

When I think it's cooked long enough in Linus's tree and
I submit it there.  That can take a few weeks.

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