linux-kernel - Re: [PATCH v4 2/3] tpm: use tpm_try_get

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Date:   Thu, 10 Oct 2019 10:27:46 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     linux-stable@...r.kernel.org,
        Stefan Berger <stefanb@...ux.ibm.com>,
        Jerry Snitselaar <jsnitsel@...hat.com>,
        James Bottomley <James.Bottomley@...senpartnership.com>,
        Alexander Steffen <Alexander.Steffen@...ineon.com>,
        Peter Huewe <peterhuewe@....de>,
        Jason Gunthorpe <jgg@...pe.ca>, Arnd Bergmann <arnd@...db.de>,
        "open list:TPM DEVICE DRIVER" <linux-integrity@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/3] tpm: use tpm_try_get_ops() in tpm-sysfs.c.

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@...ux.intel.com>
> Reviewed-by: Stefan Berger <stefanb@...ux.ibm.com>
> Tested-by: Stefan Berger <stefanb@...ux.ibm.com>
> Reviewed-by: Jerry Snitselaar <jsnitsel@...hat.com>
> Reviewed-by: James Bottomley <James.Bottomley@...senPartnership.com>
> Tested-by: Alexander Steffen <Alexander.Steffen@...ineon.com>
> ---
>  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