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

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Date:	Fri, 16 Apr 2010 15:41:17 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	khc@...waw.pl
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] WAN: flush tx_queue in hdlc_ppp to prevent panic on
 rmmod hw_driver.

From: Krzysztof Halasa <khc@...waw.pl>
Date: Thu, 15 Apr 2010 02:09:52 +0200

> 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.
> 
> Signed-off-by: Krzysztof Ha┅asa <khc@...waw.pl>

Applied, thank you.
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