Merge pull request #6797 from mathslinux/fix-parse-return

rgw: fix wrong check for parse() return

Reviewed-by: Kefu Chai <kchai@redhat.com>

diff --cc src/osd/OSD.cc
Simple merge

diff --cc src/rgw/rgw_admin.cc
Simple merge

diff --cc src/rgw/rgw_op.cc
Simple merge