tree f4d5aeffeae8ce2a0631cae1b5624abcd3aa9eb1
parent 641736411b5387729bd2ef5e68ef3fd2d60c31f8
author Teng-Hui Zhu <ztenghui@google.com> 1443743356 -0700
committer Teng-Hui Zhu <ztenghui@google.com> 1443806612 -0700

Early return when the scale is 0.

b/24534579

Change-Id: Ib3581ec99387ca70ca036026f64857a49657d94b