access01: code cleanups

Cleanup the code.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
access02: code cleanups

Cleanup the code.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
access03: code cleanups

Cleanup the code.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
access04: code cleanups

Cleanup the code.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
access05: code cleanups

Cleanup the code.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>