ceph/ceph — pull request #2859 by yehudasa (2014-11-05 06:15:45+00:00)
Title: rgw: RGWRados::get_obj() returns wrong len if len == 0

Fixes: #9877
We only updated if len was > 0, should update it if r >= 0. This was the
culprit for issue #9877.
Backport: giant, firefly

Signed-off-by: Yehuda Sadeh