tpm: Fix expected number of response bytes of TPM1.2 PCR Extend

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The TPM1.2 PCR Extend operation only returns 20 bytes in the body,
which is the size of the PCR state.

This fixes a problem where IMA gets errors with every PCR Extend.

Fixes: c659af78eb ("tpm: Check size of response before accessing data")
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Acked-by: Mimi Zohar <zohar@us.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

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Stefan Berger 2017-02-15 11:56:23 -05:00 • committed by Jarkko Sakkinen

parent 5cec5bacd3

commit 51b0be640c

1 changed files with 1 additions and 1 deletions

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drivers/char/tpm/tpm-interface.c

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