ACPICA: Audit/update for ACPICA return macros and debug depth counter

1) Ensure that all functions that use the various TRACE macros
   also use the appropriate ACPICA return macros.
2) Ensure that all normal return statements surround the return
   expression (value) with parens.

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>
diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c
index 96e0eb6..55a175e 100644
--- a/drivers/acpi/acpica/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -195,7 +195,7 @@
 			ACPI_ERROR((AE_INFO,
 				    "Invalid Namespace Node (%p) while traversing namespace",
 				    next_node));
-			return 0;
+			return (0);
 		}
 		size += ACPI_PATH_SEGMENT_LENGTH;
 		next_node = next_node->parent;