mon/OSDMonitor: set result code properly if we fail to process "swap-bucket"

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>

diff --git a/src/mon/OSDMonitor.cc b/src/mon/OSDMonitor.cc
index ea45ddfb663afb5347a20f32dfb0cad2b3bb03d5..ee49e404d67bebbbb7166162fb3e0813c4f172fa 100644 (file)
--- a/src/mon/OSDMonitor.cc
+++ b/src/mon/OSDMonitor.cc
@@ -7461,6 +7461,7 @@ bool OSDMonitor::prepare_command_impl(MonOpRequestRef op,
     int r = newcrush.swap_bucket(g_ceph_context, sid, did);
     if (r < 0) {
       ss << "failed to swap bucket contents: " << cpp_strerror(r);
+      err = r;
       goto reply;
     }
     ss << "swapped bucket of " << source << " to " << dest;