mon/PGMonitor: don't get error code overwritten by 0

dump_stuck_pg_stats() method returns either 0 on success or
an negative error code on failure. So it is wrong to reset
"r" to 0.

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

diff --git a/src/mon/PGMonitor.cc b/src/mon/PGMonitor.cc
index ab50baf9d065405c9fc207d3b2ee177c8ae31156..3055fad99113b9bc8a6328b5d7652998b66314ed 100644 (file)
--- a/src/mon/PGMonitor.cc
+++ b/src/mon/PGMonitor.cc
@@ -1804,7 +1804,6 @@ bool PGMonitor::preprocess_command(MonOpRequestRef op)
       ss << "failed";  
     else 
       ss << "ok";
-    r = 0;
   } else if (prefix == "pg map") {
     pg_t pgid;
     string pgidstr;