GEOM_VOL panics when audio CD is present

[Poul-Henning Kamp]

In message <xzpsm5nvb53.fsf at dwp.des.no>, =?iso-8859-1?q?Dag-Erling_Sm=F8rgrav?=
 writes:
>--=-=-=
>Content-Type: text/plain; charset=iso-8859-1
>Content-Transfer-Encoding: quoted-printable
>
>Any objections to the attached patch?  It's not the most efficient
>solution, but it is the one least likely to give us surprises down the
>road.

I think the right check is to make sure the sectorsize is a power
of two && > DEV_BSIZE.


	if (!powerof2(cp->provider->sectorsize) || 
	    cp->provider->sectorsize < DEV_BSIZE)
		return (EINVAL)

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Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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