Re: [PATCH] open,linkat: Update AT_EMPTY_PATH and O_PATH documentation

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On Fri, Aug 9, 2013 at 11:58 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> The current text reflects the general worry in the kernel about
> recipients of O_PATH fds being able to hardlink the referenced files.
> It turns out that it was possible to link these files regardless of
> any possible security concerns.
>
> Linux 3.11 removes the capability chech in AT_EMPTY_PATH.  I expect
> that this functionality will be generally useful, so let's document it
> better.
>
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>

For reference, the relevant change is:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bb2314b47996491bbc5add73633905c3120b6268

Also, I can't spell "check".  Oh, well.
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