tree ae3697269c3993fd43b4af6e01921d00a5717583
parent fc93116606d0a71d7e9de0ad5734fdb4b8eae834
author dmitriy kalinin <dkalinin@pivotal.io> 1447610996 -0800
committer dmitriy kalinin <dkalinin@pivotal.io> 1447610996 -0800

check err before using subc