CRAS: tm - Fix invalid memory access in cras_tm

BUG=chromium:690348
TEST=None

Change-Id: I6cb889b19358014b5c8dd655c1ecb24bde2e6f91
Reviewed-on: https://chromium-review.googlesource.com/440047
Commit-Ready: Hsinyu Chao <hychao@chromium.org>
Tested-by: Hsinyu Chao <hychao@chromium.org>
Reviewed-by: Cheng-Yi Chiang <cychiang@chromium.org>
1 file changed