svn commit: r209388 - in head/sbin/geom: class/part core misc

[Andrey Chernov]

On Mon, Jun 21, 2010 at 08:24:51AM +0000, Andrey V. Elsukov wrote:
> +done:
> +	if (mult * unit < mult || number * mult * unit < number)
> +		return (ERANGE);

A general rule is: don't check for overflow when it already occurs,
since result can be any, including valid ones.
Redo it to before overflow stage (using things like OFF_MAX / unit).

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