[PATCH v2 2/3] ACPICA: Dispatcher: Fix an unbalanced lock exit path in acpi_ds_auto_serialize_method()

[Lv Zheng]

There is a lock unbalanced exit path in acpi_ds_initialize_method(),
this patch corrects it. Lv Zheng.

Fixes: 441ad11d078f ("ACPICA: Dispatcher: Fix a mutex issue for method auto 
serialization")
Tested-by: Imre Deak <imre.d...@intel.com>
Signed-off-by: Lv Zheng <lv.zh...@intel.com>
---
 drivers/acpi/acpica/dsmethod.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index c4028a8..5997e59 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -128,7 +128,7 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node 
*node,
        if (ACPI_FAILURE(status)) {
                acpi_ds_delete_walk_state(walk_state);
                acpi_ps_free_op(op);
-               return_ACPI_STATUS(status);
+               goto unlock;
        }
 
        walk_state->descending_callback = acpi_ds_detect_named_opcodes;
-- 
2.7.4