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SubjectRe: [PATCH 2/2] keys, trusted: seal with a policy
On Wed, 18 Nov 2015, Jarkko Sakkinen wrote:

> On Wed, Nov 18, 2015 at 11:21:01AM +1100, James Morris wrote:
> > On Tue, 17 Nov 2015, Jarkko Sakkinen wrote:
> >
> > > }
> > > break;
> > > + case Opt_policydigest:
> > > + if (!tpm2 ||
> > > + strlen(args[0].from) != (2 * opt->digest_len))
> > > + return -EINVAL;
> > > + kfree(opt->policydigest);
> > > + opt->policydigest = kzalloc(opt->digest_len,
> > > + GFP_KERNEL);
> >
> > Is it correct to kfree opt->policydigest here before allocating it?
>
> I think so. The same option might be encountered multiple times.

This would surely signify an error?


--
James Morris
<jmorris@namei.org>



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