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Message-Id: <1332492527-30702-1-git-send-email-colin.king@canonical.com>
Date:	Fri, 23 Mar 2012 08:48:47 +0000
From:	Colin King <colin.king@...onical.com>
To:	Len Brown <lenb@...nel.org>, Matthew Garrett <mjg@...hat.com>,
	linux-acpi@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] ACPI, APEI, fix ERST table size checking

From: Colin Ian King <colin.king@...onical.com>

Check ERST size against acpi_table_erst rather than
acpi_table_einj.  The original code just so happened to work
because the ERST and EINJ headers are the same size.

I'm re-sending this patch as it didn't seem to get picked up when I first
sent it to the list back in September 2011.

Signed-off-by: Colin Ian King <colin.king@...onical.com>
Cc: stable@...nel.org
---
 drivers/acpi/apei/erst.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index eb9fab5..e4d9d24 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -917,7 +917,7 @@ static int erst_check_table(struct acpi_table_erst *erst_tab)
 {
 	if ((erst_tab->header_length !=
 	     (sizeof(struct acpi_table_erst) - sizeof(erst_tab->header)))
-	    && (erst_tab->header_length != sizeof(struct acpi_table_einj)))
+	    && (erst_tab->header_length != sizeof(struct acpi_table_erst)))
 		return -EINVAL;
 	if (erst_tab->header.length < sizeof(struct acpi_table_erst))
 		return -EINVAL;
-- 
1.7.0.4

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