netdev - Re: [PATCH] pppoatm: don't send frames to destroyed vcc

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Message-ID: <1349530370.6524.2.camel@shinybook.infradead.org>
Date:	Sat, 06 Oct 2012 14:32:50 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Krzysztof Mazur <krzysiek@...lesie.net>
Cc:	mitch@...oth.com, netdev@...r.kernel.org, davem@...emloft.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pppoatm: don't send frames to destroyed vcc

On Sat, 2012-10-06 at 14:19 +0200, Krzysztof Mazur wrote:
> Now pppoatm_send(), like vcc_sendmsg(), checks for vcc flags that
> indicate that vcc is not ready.

And what locking prevents the flag from being set immediately after we
check it?

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@...el.com                              Intel Corporation



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