Commit 46befd6b authored Jul 04, 2012 by Bob Moore Committed by Len Brown Jul 14, 2012

ACPICA: Fix possible fault in return package object repair code

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:
_ALR,_MLS,_PSS,_TRT,_TSS,_PRT,_HPX,_DLM,_CSD,_PSD,_TSD

https://bugzilla.kernel.org/show_bug.cgi?id=44171



This problem was introduced in 3.4-rc1 by commit
6a99b1c9
(ACPICA: Object repair code: Support to add Package wrappers)

Reported-by: Vlastimil Babka <caster@gentoo.org>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Cc: <stable@vger.kernel.org> # 3.4
Signed-off-by: Len Brown <len.brown@intel.com>

parent fdb1335a

drivers/acpi/acpica/nspredef.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -638,7 +638,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
		/* Create the new outer package and populate it */

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