Re: [PATCH 0/10] use safer test on the result of find_first_zero_bit

From: Julia Lawall
Date: Wed Jun 04 2014 - 05:38:35 EST




On Wed, 4 Jun 2014, Geert Uytterhoeven wrote:

> Hi Julia,
>
> On Wed, Jun 4, 2014 at 11:07 AM, Julia Lawall <Julia.Lawall@xxxxxxx> wrote:
> > Find_first_zero_bit considers BITS_PER_LONG bits at a time, and thus may
> > return a larger number than the maximum position argument if that position
> > is not a multiple of BITS_PER_LONG.
>
> Shouldn't this be fixed in find_first_zero_bit() instead?

OK, I could do that as well. Most of the callers currently test with >=.
Should they be left as is, or changed to use ==?

julia
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