tree a6e8549e0f230b0ee31bc5bf1f8db5048e41f8dc
parent 71c454293118c51487a62c5d7c4da6262eae691c
author Tao Bao <tbao@google.com> 1426040711 -0700
committer Tao Bao <tbao@google.com> 1426092836 -0700

updater: Check the return value from ApplyImagePatch / ApplyBSDiffPatch

Return NULL to abort the update process. Note that returning ""
won't stop the script.

Change-Id: Ifd108c1356f7c92a905c8776247a8842c6445319