Re: [PATCH] tpm: don't destroy chip device prematurely
From: Jason Gunthorpe
Date: Mon Oct 03 2016 - 12:03:25 EST
On Mon, Oct 03, 2016 at 03:42:25PM +0300, Jarkko Sakkinen wrote:
> > I've looked to the registration code and it indeed has few more issues
> > Maybe TPM_CHIP_FLAG_REGISTERED can be used for sealing the access
> > to the device during deregistration, current usage is void.
This is done via chip->ops = NULL and the rwlock scheme.
> Good catch BTW. This flag has gone quite obsolote.
I think all the drivers have been updated at this point so we can
probably get rid of it entirely.