Comment # 19 on bug 964548 from Martin Gr��lin

(In reply to Lorenzo Desole from comment #18)
> Would it make sense, when there are no more screens, to exit
> kscreenlocker_greet with exit value == 1, to notify that a valid log-in
> didn't take place?

No, that's kind of a useless information in that case. Assuming we would do so,
it would result in KSlD restarting the greeter which would exit again with 1,
because there are no screens. Resulting in either a restart loop or in the
emergency window being shown.