From 16a5761fa912b1acb0788670d08b611707f44f42 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Mon, 29 Aug 2011 09:20:53 -0700
Subject: [PATCH] client: don't falsely populate mds_sessions on bad
 MClientSession msg

If from isn't in the map, we don't want to add it via operator[].

Fixes: #1367
Signed-off-by: Sage Weil <sage@newdream.net>
---
 src/client/Client.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/client/Client.cc b/src/client/Client.cc
index 096ea64744d04..ac19179f252c7 100644
--- a/src/client/Client.cc
+++ b/src/client/Client.cc
@@ -1213,7 +1213,10 @@ void Client::handle_client_session(MClientSession *m)
 {
   ldout(cct, 10) << "handle_client_session " << *m << dendl;
   int from = m->get_source().num();
-  MetaSession *mds_session = mds_sessions[from];
+  MetaSession *mds_session = NULL;
+  if (mds_sessions.count(from))
+    mds_session = mds_sessions[from];
+
   switch (m->get_op()) {
   case CEPH_SESSION_OPEN:
     if (!mds_session)
-- 
2.39.5