On Wed, 2012-09-12 at 12:10 -0700, Andrew Morton wrote:
> On Mon, 10 Sep 2012 16:35:19 +0200
> Davidlohr Bueso <d...@gnu.org> wrote:
>
> > Account for all properties when a and/or b are 0:
> > gcd(0, 0) = 0
> > gcd(a, 0) = a
> > gcd(0, b) = b
> >
> > Cc: sta...@vger.kernel.org
>
> Why cc:stable? If this patch fixes some known problem in the current
> kernel then that really really should have been described in the
> changelog. Always. Please.
Ok, I will keep it in mind next time. No known problem (at least that I
know of), but due to the nature of the potential bug, I thought that it
was worth adding it to stable.
Thanks.
>
> > ...
> > --- a/lib/gcd.c
> > +++ b/lib/gcd.c
> > @@ -9,6 +9,9 @@ unsigned long gcd(unsigned long a, unsigned long b)
> >
> > if (a < b)
> > swap(a, b);
> > +
> > + if (!b)
> > + return a;
> > while ((r = a % b) != 0) {
> > a = b;
> > b = r;
> > --
> > 1.7.9.5
> >
> >
>
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