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| author | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-11-04 20:01:42 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2019-02-13 09:48:28 +0200 |
| commit | 2f257402ee981720d65080b1e3ce19f693f5c9c3 (patch) | |
| tree | b4617b3fdc6682ba129f4f46bc8c21308d912030 /drivers/char/tpm/tpm2-cmd.c | |
| parent | 2677ca98ae377517930c183248221f69f771c921 (diff) | |
| download | linux-2f257402ee981720d65080b1e3ce19f693f5c9c3.tar.gz linux-2f257402ee981720d65080b1e3ce19f693f5c9c3.tar.bz2 linux-2f257402ee981720d65080b1e3ce19f693f5c9c3.zip | |
tpm: remove TPM_TRANSMIT_UNLOCKED flag
Added locking as part of tpm_try_get_ops() and tpm_put_ops() as they are
anyway used in most of the call sites except in tpmrm_release() where we
take the locks manually.
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/tpm2-cmd.c')
| -rw-r--r-- | drivers/char/tpm/tpm2-cmd.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index f2b0e5c52a57..d6abc964ef66 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -652,17 +652,12 @@ int tpm2_unseal_trusted(struct tpm_chip *chip, u32 blob_handle; int rc; - mutex_lock(&chip->tpm_mutex); - rc = tpm2_load_cmd(chip, payload, options, &blob_handle, - TPM_TRANSMIT_UNLOCKED); + rc = tpm2_load_cmd(chip, payload, options, &blob_handle, 0); if (rc) - goto out; + return rc; - rc = tpm2_unseal_cmd(chip, payload, options, blob_handle, - TPM_TRANSMIT_UNLOCKED); - tpm2_flush_context_cmd(chip, blob_handle, TPM_TRANSMIT_UNLOCKED); -out: - mutex_unlock(&chip->tpm_mutex); + rc = tpm2_unseal_cmd(chip, payload, options, blob_handle, 0); + tpm2_flush_context_cmd(chip, blob_handle, 0); return rc; } |