On Tue, Oct 12, 2010 at 02:25:48PM +0200, Michael S. Tsirkin wrote:
>
> As far as I can see, maximum value for num is 64K - 1:
>
> if (!s.num || s.num > 0xffff || (s.num & (s.num - 1))) {
> r = -EINVAL;
> break;
> }
>
> How can any of the above two trigger?
> It seems easier to check value for sanity at a single place where it's
> passed from userspace to kernel.
>
Gar. Sorry for that. My mistake.
regards,
dan carpenter
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