linux-kernel - Re: [PATCH] lightnvm: missing nvm

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Message-ID: <56559A88.6010804@lightnvm.io>
Date:	Wed, 25 Nov 2015 12:24:56 +0100
From:	Matias Bjørling <mb@...htnvm.io>
To:	Wenwei Tao <ww.tao0320@...il.com>
CC:	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org
Subject: Re: [PATCH] lightnvm: missing nvm_lock acquire

On 11/25/2015 09:57 AM, Wenwei Tao wrote:
> Hi Matias
> I think list_for_each_entry_safe(pos, n, head, member) cannot avoid
> race condition
> the item point by ‘n’ can be deleted and freed in the same time we
> operate on 'pos'
> so lock is still necessary.

You're right. Brainfart...

I'll apply it with the fixes that kbuild proposed.
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