tree 6cad0b5b08b4bea78a01773fc665c48a49c192c8
parent 461a29540c01b44f07fc26ccb0d5bc7d0d92a974
author Elliott Hughes <enh@google.com> 1450283632 -0800
committer Elliott Hughes <enh@google.com> 1450283632 -0800

Make host ashmem_create_region more robust.

Don't clobber errno if mkstemp failed, always unlink, and only count
mkstemp/ftruncate failures as real failures --- if only the unlink
fails, there's no point not using what we have.

Change-Id: I6bc788682c88651a50a6316b9ca07ba07e9fefa2