[CVE-2017-14340] xfs: XFS_IS_REALTIME_INODE() should be false if no rt device

[Colin Ian King]

On 27/09/17 14:27, Thadeu Lima de Souza Cascardo wrote:
> Trusty needed a backport because the macro has been moved between files. Artful
> already has a backport, so it's not included in this submission.
> 
> Patch has been built for all three series, and tested that it fixes the problem
> on Xenial.
> 
> 
Looks OK to me.

Acked-by: Colin Ian King <colin.king at canonical.com>