1 files changed, 16 insertions, 2 deletions

diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 7ee2f2e77525..a02aa62fe1e5 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -469,6 +469,16 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
         }
 
         walk_state->thread = thread;
+
+        /*
+         * If executing a method, the starting sync_level is this method's
+         * sync_level
+         */
+        if (walk_state->method_desc) {
+                walk_state->thread->current_sync_level =
+                    walk_state->method_desc->method.sync_level;
+        }
+
         acpi_ds_push_walk_state(walk_state, thread);
 
         /*
@@ -505,6 +515,10 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
                         status =
                             acpi_ds_call_control_method(thread, walk_state,
                                                         NULL);
+                        if (ACPI_FAILURE(status)) {
+                                status =
+                                    acpi_ds_method_error(status, walk_state);
+                        }
 
                         /*
                          * If the transfer to the new method method call worked, a new walk
@@ -525,7 +539,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
                         /* Check for possible multi-thread reentrancy problem */
 
                         if ((status == AE_ALREADY_EXISTS) &&
-                            (!walk_state->method_desc->method.semaphore)) {
+                            (!walk_state->method_desc->method.mutex)) {
                                 /*
                                  * Method tried to create an object twice. The probable cause is
                                  * that the method cannot handle reentrancy.
@@ -537,7 +551,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
                                  */
                                 walk_state->method_desc->method.method_flags |=
                                     AML_METHOD_SERIALIZED;
-                                walk_state->method_desc->method.concurrency = 1;
+                                walk_state->method_desc->method.sync_level = 0;
                         }
                 }