Re: [PATCH v4 2/2] bsearch: prevent overflow when computing middle comparison element

Rusty Russell
2009-11-13T23:42:23Z

On Sat, 14 Nov 2009 01:33:04 am Thiago Farina wrote:
> Hi Rusty,
>
> On Thu, Nov 12, 2009 at 11:06 AM, Rusty Russell <rusty@rustcorp.com.au> wrote:
> > On Wed, 11 Nov 2009 01:30:25 am André Goddard Rosa wrote:
> >> It's really difficult to occur in practice because the sum of the lower
> >> and higher limits must overflow an int variable, but it can occur when
> >> working with large arrays. We'd better safe than sorry by avoiding this
> >> overflow situation when computing the middle element for comparison.
> >
> > I applied all these, after testing. In future would have been nice for you
> > to have posted a test patch so I didn't have make my own...
>
> Where did you apply this patch?

To my kernel series, which means it is now in linux-next.

Hope that helps,
Rusty.