On Thu, Feb 16, 2017 at 12:07:08PM -0800, Christoph Hellwig wrote:
> On Thu, Feb 16, 2017 at 11:45:29AM -0700, Scott Bauer wrote:
> > > + if (check_opal_support(dev) < 0) {
> > >           pr_warn("Opal is not supported on this device\n");
> > > - opal_dev->initialized = true;
> > > +         kfree(dev);
> > > +         return NULL;
> > 
> > We're going to have to change this check_opal_support to be != 0 instead of 
> > < 0.
> 
> Yes.  And we should simply turn all these printk into pr_debug anway -
> not having OPAL is a prefectly fine condition, no need to spam the log
> for it.
> 
> And btw, I think we should check for bit 0 in OACS before ever doing
> a security send / receive.

That sounds reasonable. It can go in the nvme_send_recv function before we
actually attempt to send anything. The code paths fall nicely in that when
we attempt to look for support we have to do a discovery0 which will fail
on the OACS bit and we'll deallocate everything.

I'll spin this up now.

Reply via email to