Re: [ 011/120] lib/gcd.c: prevent possible div by 0

Ben Hutchings
2012-10-12T21:11:41Z

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On Thu, 2012-10-11 at 09:59 +0900, Greg Kroah-Hartman wrote:
> 3.4-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Davidlohr Bueso <dave@gnu.org>
>
> commit e96875677fb2b7cb739c5d7769824dff7260d31d upstream.
>
> Account for all properties when a and/or b are 0:
> gcd(0, 0) = 0
> gcd(a, 0) = a
> gcd(0, b) = b
>
> Fixes no known problems in current kernels.
[...]

I can't believe this change is harmful, but unless there are some known
problems this doesn't meet the criteria for a stable update.

Ben.

--
Ben Hutchings
Kids! Bringing about Armageddon can be dangerous. Do not attempt it in
your own home. - Terry Pratchett and Neil Gaiman, `Good Omens'

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