[ 09/37] ACPICA: Fix possible fault in return package object repair code

From: Greg Kroah-Hartman
Date: Tue Jul 17 2012 - 20:11:42 EST

From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>

3.4-stable review patch. If anyone has any objections, please let me know.


From: Bob Moore <robert.moore@xxxxxxxxx>

commit 46befd6b38d802dfc5998e7d7938854578b45d9d upstream.

Fixes a problem that can occur when a lone package object is
wrapped with an outer package object in order to conform to
the ACPI specification. Can affect these predefined names:


This problem was introduced in 3.4-rc1 by commit
(ACPICA: Object repair code: Support to add Package wrappers)

Reported-by: Vlastimil Babka <caster@xxxxxxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

drivers/acpi/acpica/nspredef.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/acpi/acpica/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -638,7 +638,7 @@ acpi_ns_check_package(struct acpi_predef
/* Create the new outer package and populate it */

status =
- acpi_ns_wrap_with_package(data, *elements,
+ acpi_ns_wrap_with_package(data, return_object,
if (ACPI_FAILURE(status)) {
return (status);

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