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| author | apronin@chromium.org <apronin@chromium.org> | 2016-07-14 18:07:18 -0700 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-07-19 17:43:38 +0300 |
| commit | 1b0612b04090e416828c0dd5ed197b0913d834a0 (patch) | |
| tree | 2a55178a9b891bab715a0e4dedf70f70c77af64b /drivers/char | |
| parent | 79b591c091b31291fecd9551db0a67fdc5901d50 (diff) | |
| download | linux-1b0612b04090e416828c0dd5ed197b0913d834a0.tar.gz linux-1b0612b04090e416828c0dd5ed197b0913d834a0.tar.bz2 linux-1b0612b04090e416828c0dd5ed197b0913d834a0.zip | |
tpm: fix byte-order for the value read by tpm2_get_tpm_pt
The result must be converted from BE byte order, which is used by the
TPM2 protocol. This has not popped out because tpm2_get_tpm_pt() has
been only used for probing.
Fixes: 7a1d7e6dd76a ("tpm: TPM 2.0 baseline support")
Change-Id: I7d71cd379b1a3b7659d20a1b6008216762596590
Signed-off-by: Andrey Pronin <apronin@chromium.org>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tpm/tpm2-cmd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index a1673dcb4cae..a88b31e7fe72 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -703,7 +703,7 @@ ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id, u32 *value, rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), desc); if (!rc) - *value = cmd.params.get_tpm_pt_out.value; + *value = be32_to_cpu(cmd.params.get_tpm_pt_out.value); return rc; } |