Re: [PATCH v4 2/3] tpm: use tpm_try_get_ops() in tpm-sysfs.c.

[Greg Kroah-Hartman]

On Thu, Oct 10, 2019 at 12:28:30AM +0300, Jarkko Sakkinen wrote:
> commit 2677ca98ae377517930c183248221f69f771c921 upstream
> 
> Use tpm_try_get_ops() in tpm-sysfs.c so that we can consider moving
> other decorations (locking, localities, power management for example)
> inside it. This direction can be of course taken only after other call
> sites for tpm_transmit() have been treated in the same way.
> 
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
> Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> Tested-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> Reviewed-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx>
> Reviewed-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
> Tested-by: Alexander Steffen <Alexander.Steffen@xxxxxxxxxxxx>
> ---
>  drivers/char/tpm/tpm-sysfs.c | 134 ++++++++++++++++++++++-------------
>  1 file changed, 83 insertions(+), 51 deletions(-)

This is already in the 4.14.148 4.19.78 5.1 releases.

greg k-h