ACPICA: Fix possible memory leak in dispatcher error path.

On error, delete mutex object created during method mutex creation.
Reported by tim.gardner@canonical.com.

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 54c968ab8144..4e5873ab4f01 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -151,6 +151,7 @@ acpi_ds_create_method_mutex(union acpi_operand_object *method_desc)
 
         status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex);
         if (ACPI_FAILURE(status)) {
+                acpi_ut_delete_object_desc(mutex_desc);
                 return_ACPI_STATUS(status);
         }