tree 63c2cade2edfc0dac4b0a22b9cd59d4627c7e4ee
parent dc0f94be051feef01f0cd62bf9facdef052178ad
author Doug Zongker <dougz@android.com> 1284513018 -0700
committer Doug Zongker <dougz@android.com> 1284524857 -0700

unmount cache before paving it over with the radio/hboot image

Try to unmount the cache.  If that fails, try to remount it read-only
and sync (which isn't as safe but is better than leaving it r/w).  If
we can't even do that, abort the firmware installation.

Change-Id: I2ebb1ebf3d1f58270133c58b0e9337fb33d78dfa