On Nov 30, 2011, at 10:15 AM, Dan Carpenter wrote:
> It doesn't actually matter because sizeof(SBSSIDList) is just 4 but
> normally you would do the math different.
>
> if (sList.uItem > ULONG_MAX / sizeof(SBSSIDItem) -
> sizeof(SBSSIDList)) {
>
> But both checks are low enough in this case.
Just out of curiosity, why do you prefer this form here?
In general, for *alloc(a + x * b), the check
x > (umax - a) / b
looks more correct to me.
- xi
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