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| author | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-11-03 15:15:07 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2019-02-13 09:48:12 +0200 |
| commit | 5faafbab77e37290daa023ba2002e0d611682397 (patch) | |
| tree | b66dd634a13838e846b716f08132f34f2a02dc5a /drivers/char/tpm/tpm-sysfs.c | |
| parent | 29b47ce987591254602cd7b69acd0eecc62f0a70 (diff) | |
| download | linux-5faafbab77e37290daa023ba2002e0d611682397.tar.gz linux-5faafbab77e37290daa023ba2002e0d611682397.tar.bz2 linux-5faafbab77e37290daa023ba2002e0d611682397.zip | |
tpm: remove @space from tpm_transmit()
Remove @space from tpm_transmit() API` in order to completely remove the
bound between low-level transmission functionality and TPM spaces. The
only real dependency existing is the amount of data saved before trying
to send a command to the TPM.
It doesn't really matter if we save always a bit more than needed so
this commit changes the amount saved always to be the size of the TPM
header and three handles.
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Alexander Steffen <Alexander.Steffen@infineon.com>
Diffstat (limited to 'drivers/char/tpm/tpm-sysfs.c')
| -rw-r--r-- | drivers/char/tpm/tpm-sysfs.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c index 928d4e839bb7..03e704f99ed6 100644 --- a/drivers/char/tpm/tpm-sysfs.c +++ b/drivers/char/tpm/tpm-sysfs.c @@ -52,9 +52,8 @@ static ssize_t pubek_show(struct device *dev, struct device_attribute *attr, tpm_buf_append(&tpm_buf, anti_replay, sizeof(anti_replay)); - rc = tpm_transmit_cmd(chip, NULL, &tpm_buf, - READ_PUBEK_RESULT_MIN_BODY_SIZE, 0, - "attempting to read the PUBEK"); + rc = tpm_transmit_cmd(chip, &tpm_buf, READ_PUBEK_RESULT_MIN_BODY_SIZE, + 0, "attempting to read the PUBEK"); if (rc) { tpm_buf_destroy(&tpm_buf); return 0; |