Messages in this thread | | | Date | Wed, 2 Oct 2019 11:17:51 -0400 | From | Sasha Levin <> | Subject | Re: [PATCH 3/3] tpm: Fix TPM 1.2 Shutdown sequence to prevent future TPM operations |
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On Wed, Oct 02, 2019 at 03:57:58PM +0200, Greg KH wrote: >On Wed, Oct 02, 2019 at 04:14:44PM +0300, Jarkko Sakkinen wrote: >> From: Vadim Sukhomlinov <sukhomlinov@google.com> >> >> 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: stable@vger.kernel.org >> Signed-off-by: Vadim Sukhomlinov <sukhomlinov@google.com> >> [dianders: resolved merge conflicts with mainline] >> Signed-off-by: Douglas Anderson <dianders@chromium.org> >> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> >> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> >> --- >> drivers/char/tpm/tpm-chip.c | 5 +++-- >> 1 file changed, 3 insertions(+), 2 deletions(-) > >What kernel version(s) is this for?
It would go to 4.19, we've recently reverted an incorrect backport of this patch.
Jarkko, why is this patch 3/3? We haven't seen the first two on the mailing list, do we need anything besides this patch?
-- Thanks, Sasha
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