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

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Date:	Thu, 22 Apr 2010 15:17:13 -0400
From:	Michael Barkowski <michaelbarkowski@...gedcom.com>
To:	Krzysztof Halasa <khc@...waw.pl>
CC:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] WAN: flush tx_queue in hdlc_ppp to prevent panic on rmmod
 hw_driver.

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?

-- 
Michael Barkowski

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