ping? Cc'ing Greg for stable. On Mon, 2012-09-10 at 16:35 +0200, Davidlohr Bueso 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 > Signed-off-by: Davidlohr Bueso <d...@gnu.org> > --- > V2: simplified checking with b = 0 (Eric) > > lib/gcd.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/lib/gcd.c b/lib/gcd.c > index cce4f3c..3657f12 100644 > --- 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;
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