common/ceph_context: make 'config unset' idempotent

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/common/ceph_context.cc b/src/common/ceph_context.cc
index ca469f4c2cbed3c28ec043ffd8081cc884d3d288..a03b61c69d1c1cb04508ed1a62e5b11ef3fb33f0 100644 (file)
--- a/src/common/ceph_context.cc
+++ b/src/common/ceph_context.cc
@@ -535,6 +535,7 @@ int CephContext::_do_command(
             << cpp_strerror(r);
         } else {
           _conf.apply_changes(&ss);
+         r = 0;
         }
       }