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Commit ae7e190a authored by Jarkko Sakkinen's avatar Jarkko Sakkinen
Browse files

tpm: use tpm_transmit_cmd() in tpm2_probe() 



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

Signed-off-by: default avatarJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: default avatarJason Gunthorpe <jgunthorpe@obsidianresearch.com>
parent eb5854e7

drivers/char/tpm/tpm2-cmd.c

+1 −3
Original line number Diff line number Diff line
@@ -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;