[PATCH] detect-virt: do not return exit failure code when the state is none

[uoti.urpala@xxxxxxxxxxx (Uoti Urpala)]

On Thu, 2018-05-24 at 13:47 +0800, Lee, Chun-Yi wrote:
> Currently the systemd-detect-virt returns exit failure code when it
> detected none state. But actually the none state is still a valid
> state but not a process failed.
> 
> This patch changes the logic to return success code when the state
> is none. It can avoid that subsequent activity is blocked by the
> failure code of systemd-detect-virt process.

This is explicitly documented as "If a virtualization technology is
detected, 0 is returned, a non-zero code otherwise.". So other things
could be relying on the current behavior, and any attempts to change it
 despite that should at least modify the documentation too.