ACPICA: Clean up context mutex during object deletion

[ Upstream commit e4dfe108371214500ee10c2cf19268f53acaa803 ]

ACPICA commit bc43c878fd4ff27ba75b1d111b97ee90d4a82707

Fixes: c27f3d011b08 ("Fix race in GenericSerialBus (I2C) and GPIO OpRegion parameter handling")
Link: https://github.com/acpica/acpica/commit/bc43c878
Reported-by: John Garry <john.garry@huawei.com>
Reported-by: Xiang Chen <chenxiang66@hisilicon.com>
Tested-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 4c0d4e4..72d2c0b 100644 (file)
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -285,6 +285,14 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
                }
                break;
 
+       case ACPI_TYPE_LOCAL_ADDRESS_HANDLER:
+
+               ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+                                 "***** Address handler %p\n", object));
+
+               acpi_os_delete_mutex(object->address_space.context_mutex);
+               break;
+
        default:
 
                break;