[Acked] [Utopic SRU] Fix unconditionally exchanging short filenames

[Andy Whitcroft]

On Thu, Nov 27, 2014 at 12:41:36PM +0100, Stefan Bader wrote:
> BugLink: http://bugs.launchpad.net/bugs/1396907
> Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=763831
> 
> A change in v3.15 broke the behaviour of /proc/$$/exe on rename.
> Debian fixed this by pulling in those two patches. Ben, in hindsight
> I could have directly pulled them from your kernel but at least I 
> believe we ended up with the exact same result. But a quick sanity
> check won't hurt.
> 
> Right now the same problem exists in Vivid but when we switch over
> to v3.17+ this will go away anyway. So I won't bother that much there.
> The only other kernel affected would be v3.15 which I believe is not
> maintained by anybody. So I decicded to not submit this to @stable.

If these are not coming via stable, then they look fine to me.  The
result is clearly wrong now and should be easily testable with these
applied:

Acked-by: Andy Whitcroft <apw at canonical.com>

-apw