ACPICA: Undo accidental checkin of not-fully-tested mutex changes

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 0 insertions, 16 deletions

diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index 7c70938eef89..b8d035c00b61 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -85,7 +85,6 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
         } else {
                 thread->acquired_mutex_list = obj_desc->mutex.next;
         }
-        return;
 }
 
 /*******************************************************************************
@@ -299,17 +298,6 @@ acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc)
                 return (AE_NOT_ACQUIRED);
         }
 
-        /* No obj_desc->Mutex.owner_thread for Global Lock */
-
-        /*
-         * Mutex to be released must be at the head of acquired list to prevent
-         * deadlock. (The head of the list is the last mutex acquired.)
-         */
-        if (obj_desc->mutex.owner_thread &&
-            (obj_desc != obj_desc->mutex.owner_thread->acquired_mutex_list)) {
-                return (AE_AML_MUTEX_ORDER);
-        }
-
         /* Match multiple Acquires with multiple Releases */
 
         obj_desc->mutex.acquisition_depth--;
@@ -415,9 +403,6 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
         }
 
         status = acpi_ex_release_mutex_object(obj_desc);
-        if (ACPI_FAILURE(status)) {
-                return_ACPI_STATUS(status);
-        }
 
         if (obj_desc->mutex.acquisition_depth == 0) {
 
@@ -426,7 +411,6 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
                 walk_state->thread->current_sync_level =
                     obj_desc->mutex.original_sync_level;
         }
-
         return_ACPI_STATUS(status);
 }