[tpmdd-devel,v4,4/5] tpm: use tpm_transmit_cmd() in tpm2_probe()
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Message ID 1468971906-6528-5-git-send-email-jarkko.sakkinen@linux.intel.com
State New
Headers show

Commit Message

Jarkko Sakkinen July 19, 2016, 11:44 p.m. UTC
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>
---
 drivers/char/tpm/tpm2-cmd.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Patch
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diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index 1c393ba..e1db404 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -911,11 +911,9 @@  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 char *) &cmd, sizeof(cmd));
+	rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 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;