linux-kernel - [PATCH] TPM: fix pcrread

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Date:	Wed, 30 Sep 2009 12:26:55 -0300
From:	Rajiv Andrade <srajiv@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	debora@...ux.vnet.ibm.com, m.selhorst@...rix.com,
	akpm@...ux-foundation.org, tpmdd-devel@...ts.sourceforge.net
Subject: [PATCH] TPM: fix pcrread

The previously sent patch:

http://marc.info/?l=tpmdd-devel&m=125208945007834&w=2

Had its first hunk cropped when merged, submitting only this first hunk
again.

Signed-off-by: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc: Debora Velarde <debora@...ux.vnet.ibm.com>
Cc: Marcel Selhorst <m.selhorst@...rix.com>
Cc: James Morris <jmorris@...ei.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Rajiv Andrade <srajiv@...ux.vnet.ibm.com>
---
 drivers/char/tpm/tpm.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 45d5800..47c2d27 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -696,8 +696,7 @@ int __tpm_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf)
 
 	cmd.header.in = pcrread_header;
 	cmd.params.pcrread_in.pcr_idx = cpu_to_be32(pcr_idx);
-	BUG_ON(cmd.header.in.length > READ_PCR_RESULT_SIZE);
-	rc = transmit_cmd(chip, &cmd, cmd.header.in.length,
+	rc = transmit_cmd(chip, &cmd, READ_PCR_RESULT_SIZE,
 			  "attempting to read a pcr value");
 
 	if (rc == 0)
-- 
1.6.3.1



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