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tpm: use tpm_transmit_cmd() in tpm2_probe()

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It is better to tpm_transmit_cmd() in tpm2_probe() in order to get
consistent command handling throughout the subsystem.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
This commit is contained in:
Jarkko Sakkinen 2016-06-17 10:20:14 +02:00
parent eb5854e764
commit ae7e190a3e
1 changed files with 1 additions and 3 deletions
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4
drivers/char/tpm/tpm2-cmd.c
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@ -941,11 +941,9 @@ int tpm2_probe(struct tpm_chip *chip)
cmd.params.get_tpm_pt_in.property_id = cpu_to_be32(0x100);
cmd.params.get_tpm_pt_in.property_cnt = cpu_to_be32(1);
rc = tpm_transmit(chip, (const u8 *)&cmd, sizeof(cmd), 0);
rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0, NULL);
if (rc < 0)
return rc;
else if (rc < TPM_HEADER_SIZE)
return -EFAULT;
if (be16_to_cpu(cmd.header.out.tag) == TPM2_ST_NO_SESSIONS)
chip->flags |= TPM_CHIP_FLAG_TPM2;