On Mon, 7 Dec 2015, John Stultz wrote:
> On Sun, Dec 6, 2015 at 2:11 PM, Richard Cochran
> <richardcoch...@gmail.com> wrote:
> > The overflow is a latent problem, and the patch should:
> >
> > 1. return error in case (txc->time.tv_usec >= USEC_PER_SEC)
> > 2. remove the redundant test in timekeeping_inject_offset.
>
> So we probably want to keep the check in timekeeping_inject_offset()
> since there can be other users as well of that function.
>
> But its probably cleanest to add a check in ntp_validate_timex()
> instead of where this patch does it.
So instead of open coding the checks on both sites, can we please have
an inline function with proper comments why time.tv_sec can be
negative, something like adjtimex_timeval_is_valid() or such.
Thanks,
tglx
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