Re: [PATCH v3 2/2] tpm: in tpm2_del_space check if ops pointer is still valid

[Lino Sanfilippo]

Hi James,

On 05.02.21 01:34, James Bottomley wrote:
> 
> 
> Actually, this still isn't right.  As I said to the last person who
> reported this, we should be doing a get/put on the ops, not rolling our
> own here:
> 
> https://lore.kernel.org/linux-integrity/e7566e1e48f5be9dca034b4bfb67683b5d3cb88f.camel@xxxxxxxxxxxxxxxxxxxxx/
> 

Thanks for pointing this out, I was not aware of this discussion.

> The reporter went silent before we could get this tested, but could you
> try, please, because your patch is still hand rolling the ops get/put,
> just slightly better than it had been done previously.

I tested your patch and it fixes the issue. Your solution seems indeed much cleaner.

FWIW:

Tested-by: Lino Sanfilippo <l.sanfilippo@xxxxxxxxxx>

Best Regards,
Lino