linux-kernel - [PATCH] TPM: increase default TPM buffer

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Message-Id: <1253820466.8653.9.camel@dyn531367.br.ibm.com>
Date:	Thu, 24 Sep 2009 16:27:46 -0300
From:	Rajiv Andrade <srajiv@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, jmorris@...ei.org
Subject: [PATCH] TPM: increase default TPM buffer

The TPM Working Group requested this communication buffer increase given that a
particular TPM vendor can support a TPM_SHA1Start command input bigger than the
current size.

Signed-off-by: Rajiv Andrade <srajiv@...ux.vnet.ibm.com>
---
 drivers/char/tpm/tpm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index b0603b2..f4c68ab 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -31,7 +31,7 @@
 
 enum tpm_const {
 	TPM_MINOR = 224,	/* officially assigned */
-	TPM_BUFSIZE = 2048,
+	TPM_BUFSIZE = 4096,
 	TPM_NUM_DEVICES = 256,
 };
 
-- 
1.6.3.1



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