linux-kernel - [PATCH 1/3] vTPM: fixed the limit checking

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Message-Id: <1430873486-25868-2-git-send-email-honclo@linux.vnet.ibm.com>
Date:	Tue,  5 May 2015 20:51:24 -0400
From:	"Hon Ching(Vicky) Lo" <honclo@...ux.vnet.ibm.com>
To:	tpmdd-devel@...ts.sourceforge.net
Cc:	Peter Huewe <PeterHuewe@....de>, Ashley Lai <ashley@...leylai.com>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Vicky Lo <honclo2014@...il.com>, linux-kernel@...r.kernel.org,
	"Hon Ching(Vicky) Lo" <honclo@...ux.vnet.ibm.com>,
	Joy Latten <jmlatten@...ux.vnet.ibm.com>
Subject: [PATCH 1/3] vTPM: fixed the limit checking

Do not skip the last entry of the event log.

Signed-off-by: Hon Ching(Vicky) Lo <honclo@...ux.vnet.ibm.com>
Signed-off-by: Joy Latten <jmlatten@...ux.vnet.ibm.com>

Changelog:
- remove redundant code
---
 drivers/char/tpm/tpm_eventlog.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c
index 3a56a13..e77d8c1 100644
--- a/drivers/char/tpm/tpm_eventlog.c
+++ b/drivers/char/tpm/tpm_eventlog.c
@@ -116,11 +116,8 @@ static void *tpm_bios_measurements_next(struct seq_file *m, void *v,
 
 	event = v;
 
-	if (event->event_type == 0 && event->event_size == 0)
-		return NULL;
-
 	if ((event->event_type == 0 && event->event_size == 0) ||
-	    ((v + sizeof(struct tcpa_event) + event->event_size) >= limit))
+	    ((v + sizeof(struct tcpa_event) + event->event_size) > limit))
 		return NULL;
 
 	(*pos)++;
-- 
1.7.1

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