diff options
| -rw-r--r-- | drivers/char/tpm/tpm_tis_core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index acb91bf1e5f5..21d79ad3b164 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -556,11 +556,16 @@ static int tpm_tis_send_main(struct tpm_chip *chip, const u8 *buf, size_t len) break; else if (rc != -EAGAIN && rc != -EIO) /* Data transfer failed, not recoverable */ - return rc; + goto out_err; usleep_range(priv->timeout_min, priv->timeout_max); } + if (rc == -EAGAIN || rc == -EIO) { + dev_err(&chip->dev, "Exhausted %d tpm_tis_send_data retries\n", TPM_RETRY); + goto out_err; + } + /* go and do it */ rc = tpm_tis_write8(priv, TPM_STS(priv->locality), TPM_STS_GO); if (rc < 0) |