On Thu, Oct 10, 2019 at 12:28:31AM +0300, Jarkko Sakkinen wrote:
> From: Vadim Sukhomlinov <[email protected]>
> 
> commit db4d8cb9c9f2af71c4d087817160d866ed572cc9 upstream
> 
> TPM 2.0 Shutdown involve sending TPM2_Shutdown to TPM chip and disabling
> future TPM operations. TPM 1.2 behavior was different, future TPM
> operations weren't disabled, causing rare issues. This patch ensures
> that future TPM operations are disabled.
> 
> Fixes: d1bd4a792d39 ("tpm: Issue a TPM2_Shutdown for TPM2 devices.")
> Cc: [email protected]
> Signed-off-by: Vadim Sukhomlinov <[email protected]>
> [dianders: resolved merge conflicts with mainline]
> Signed-off-by: Douglas Anderson <[email protected]>
> Reviewed-by: Jarkko Sakkinen <[email protected]>
> Signed-off-by: Jarkko Sakkinen <[email protected]>
> ---
>  drivers/char/tpm/tpm-chip.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)

This is already in the 4.14.148 4.19.78 5.1.18 5.2.1 5.3 releases.

thansk,

greg k-h

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