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Message-Id: <1466197847-4937-4-git-send-email-jarkko.sakkinen@linux.intel.com>
Date: Fri, 17 Jun 2016 23:10:45 +0200
From: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To: Peter Huewe <peterhuewe@....de>,
Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc: linux-security-module@...r.kernel.org,
Stefan Berger <stefanb@...ux.vnet.ibm.com>,
Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
Marcel Selhorst <tpmdd@...horst.net>,
tpmdd-devel@...ts.sourceforge.net (moderated list:TPM DEVICE DRIVER),
linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 3/5] 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: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
---
drivers/char/tpm/tpm2-cmd.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index 77ef027..a43e51a 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -913,11 +913,9 @@ 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;
--
2.7.4
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