linux-kernel - Re: Driver-Core: devtmpfs - reset inode permissions before unlinking

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Message-ID: <ac3eb2511001132111t7ac93f97xe1e54d93e3a43b02@mail.gmail.com>
Date:	Thu, 14 Jan 2010 06:11:16 +0100
From:	Kay Sievers <kay.sievers@...y.org>
To:	Greg KH <greg@...ah.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Driver-Core: devtmpfs - reset inode permissions before unlinking

On Thu, Jan 14, 2010 at 04:49, Greg KH <greg@...ah.com> wrote:
> On Wed, Jan 13, 2010 at 02:16:36PM +0100, Kay Sievers wrote:
>> From: Kay Sievers <kay.sievers@...y.org>
>> Subject: Driver-Core: devtmpfs - reset inode permissions before unlinking
>>
>> Before unlinking the inode, reset the current permissions of possible
>> references like hardlinks, so granted permissions can not be retained
>> across the device lifetime by creating hardlinks, in the unusual case
>> that there is a user-writable directory on the same filesystem.
>
> Is this something that we need to worry about for existing users
> (2.6.32 and .33), or can it wait until 2.6.34?

Should be fine for .34 only.

Thanks,
Kay
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