tree 0cf6b123e42e46d3776e067e486ddaebefbc7c99
parent 7f54274f7802a7e173b09d4aa8e31defc8c89634
author Zhao Liang <leo.zhao@intel.com> 1386228046 +0800
committer Patrick Tjin <pattjin@google.com> 1406004706 -0700

Refine async mode return value

BZ: 150664

Fix one async mode defect, use another error to identify work queue empty

Change-Id: I726d86153cff5c59e97ed98c063d8b002dadb0d8
Signed-off-by: Zhao Liang <leo.zhao@intel.com>