tree 4ad7088d0500c70e6f98bb778e77a8218ea70ee4
parent 30bf0cc133ecab46b7999ac791ebe95d0c51d746
author Chien-Yu Chen <cychen@google.com> 1471041616 -0700
committer Chien-Yu Chen <cychen@google.com> 1471377819 -0700

Camera: Prevent data size overflow

Add a function to check overflow when calculating metadata
data size.

Bug: 30741779
Change-Id: I6405fe608567a4f4113674050f826f305ecae030