tree cfcb5ea018efbb77fd43424d2d07ac36de1e86bf
parent be19870b824d9f4ff9b6d8f6aaf7adafb4004c7c
author Patrick Venture <venture@google.com> 1557938875 -0700
committer Patrick Venture <venture@google.com> 1557939249 -0700

firmware_handler: prevent writing metadata w/o data handler

The notion of writing to metadata in this application is only relevant
if there's a data handler.  Add a check to verify there is a data
handler present, otherwise return false.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Ib2ffbf5c6560186e56e919a0ebc6ed1e2e8e04d3