linux-kernel - [PATCH 11/85] ACPICA: Fix wrong resource descriptor length for 64-bit build

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Message-id: <51ea4920e5259e9b675c96c55c470124498f1842.1223706853.git.len.brown@intel.com>
Date:	Sat, 11 Oct 2008 02:35:31 -0400
From:	Len Brown <lenb@...nel.org>
To:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Bob Moore <robert.moore@...el.com>,
	Lin Ming <ming.m.lin@...el.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Len Brown <len.brown@...el.com>
Subject: [PATCH 11/85] ACPICA: Fix wrong resource descriptor length for 64-bit
 build

From: Bob Moore <robert.moore@...el.com>

The "minimal" descriptors such as EndTag are calculated as 12
bytes long, but the actual length in the internal descriptor is
16 because of the round-up to 8 on 64-bit build.

http://www.acpica.org/bugzilla/show_bug.cgi?id=728

Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Lin Ming <ming.m.lin@...el.com>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Signed-off-by: Len Brown <len.brown@...el.com>
---
 include/acpi/actypes.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 4ea4f40..73d6b1c 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -1225,8 +1225,8 @@ struct acpi_resource {
 
 #pragma pack()
 
-#define ACPI_RS_SIZE_MIN                    12
 #define ACPI_RS_SIZE_NO_DATA                8	/* Id + Length fields */
+#define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
 #define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
 
 #define ACPI_NEXT_RESOURCE(res)             (struct acpi_resource *)((u8 *) res + res->length)
-- 
1.5.5.1

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