tree 6514e5569b04b71ec3ef77cc596a4060d25f9abf
parent 192a86a7e3b5ec90d7860f817100be6a43ca1daa
author Sen Jiang <senj@google.com> 1464199721 -0700
committer Sen Jiang <senj@google.com> 1465257257 +0000

Only verify the source partition which target hash mismatch.

There's no need to go back to the first partition when target partition
hash failed, those partitions already passed target hash verification.
We should directly go ahead and verify the source partition corresponding
to the current partition which target hash doesn't match, and that should
be the only source partition we verify.

Test: ./update_engine_unittests
Bug: None

Change-Id: I6754d329d62fbed214e2b01568b290a60ad746ac