[CRIU] [PATCH 2/5] kernel: add a helper to get an owning user namespace for a namespace

[W. Trevor King]

On Sun, Jul 24, 2016 at 09:30:03AM -0500, Eric W. Biederman wrote:
> I am not at all certain it makes sense to return -ENOENT.
> 
> Without the -ENOENT check the code is much cleaner, and clearer.

This is fine with me, and makes even more sense for owner (user)
namespaces than it does for net namespaces [1].  At least, I can't
think of a reason why the root user namespace would have special
userspace-visible behavior ;).

Cheers,
Trevor

[1]: http://thread.gmane.org/gmane.linux.kernel.api/20626/focus=30639
     Subject: Re: [PATCH 0/5 RFC] Add an interface to discover relationships between namespaces                                                                              
     Date: Sat, 23 Jul 2016 23:51:07 -0500
     Message-ID: <877fcboczo.fsf at x220.int.ebiederm.org>

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