diff options
| author | Stefan Berger <stefanb@linux.vnet.ibm.com> | 2017-05-25 18:29:13 -0400 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2017-06-13 22:02:09 +0300 |
| commit | 402149c6470d9562fe6891e0165df7f5f6bff7a7 (patch) | |
| tree | b03b166b161f20cae1a889deb64ed9f734e9a305 /drivers/char/tpm | |
| parent | 5e9fefd26b47205e423b23c3f0a41b068c84fa1d (diff) | |
tpm: vtpm_proxy: Suppress error logging when in closed state
Suppress the error logging when the core TPM driver sends commands
to the VTPM proxy driver and -EPIPE is returned in case the VTPM
proxy driver is 'closed' (closed anonymous file descriptor). This
error code is only returned by the send function and by tpm_transmit
when the VTPM proxy driver is being used.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char/tpm')
| -rw-r--r-- | drivers/char/tpm/tpm-interface.c | 5 | ||||
| -rw-r--r-- | drivers/char/tpm/tpm2-cmd.c | 2 |
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index be5415923886..a965a9f0e5d2 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -429,8 +429,9 @@ ssize_t tpm_transmit(struct tpm_chip *chip, struct tpm_space *space, rc = chip->ops->send(chip, (u8 *) buf, count); if (rc < 0) { - dev_err(&chip->dev, - "tpm_transmit: tpm_send: error %d\n", rc); + if (rc != -EPIPE) + dev_err(&chip->dev, + "%s: tpm_send: error %d\n", __func__, rc); goto out; } diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index 3ee6883f26c1..3a9964326279 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -840,7 +840,7 @@ void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type) /* In places where shutdown command is sent there's no much we can do * except print the error code on a system failure. */ - if (rc < 0) + if (rc < 0 && rc != -EPIPE) dev_warn(&chip->dev, "transmit returned %d while stopping the TPM", rc); } |