diff options
Diffstat (limited to 'drivers/char/tpm/tpm2-cmd.c')
| -rw-r--r-- | drivers/char/tpm/tpm2-cmd.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index 6967f15a6585..e74c5b7b64bf 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -246,12 +246,11 @@ struct tpm2_null_auth_area { * * @chip: TPM chip to use. * @pcr_idx: index of the PCR. - * @count: number of digests passed. * @digests: list of pcr banks and corresponding digest values to extend. * * Return: Same as with tpm_transmit_cmd. */ -int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, u32 count, +int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, struct tpm_digest *digests) { struct tpm_buf buf; @@ -259,9 +258,6 @@ int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, u32 count, int rc; int i; - if (count > chip->nr_allocated_banks) - return -EINVAL; - rc = tpm_buf_init(&buf, TPM2_ST_SESSIONS, TPM2_CC_PCR_EXTEND); if (rc) return rc; @@ -276,9 +272,9 @@ int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, u32 count, tpm_buf_append_u32(&buf, sizeof(struct tpm2_null_auth_area)); tpm_buf_append(&buf, (const unsigned char *)&auth_area, sizeof(auth_area)); - tpm_buf_append_u32(&buf, count); + tpm_buf_append_u32(&buf, chip->nr_allocated_banks); - for (i = 0; i < count; i++) { + for (i = 0; i < chip->nr_allocated_banks; i++) { tpm_buf_append_u16(&buf, digests[i].alg_id); tpm_buf_append(&buf, (const unsigned char *)&digests[i].digest, chip->allocated_banks[i].digest_size); |