From: Sage Weil <sage@newdream.net>
Date: Thu, 12 Mar 2009 18:30:52 +0000 (-0700)
Subject: mds: cope with non-mdr request in path_traverse
X-Git-Tag: v0.7.1^2~49
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=22aaa471dde272ff930a223b8c55c3089013a2c9;p=ceph.git

mds: cope with non-mdr request in path_traverse

For example, an MDiscover.
---

diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index fbd4ca6bc54a..d87a9e65e77e 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -5233,7 +5233,7 @@ int MDCache::path_traverse(MDRequest *mdr, Message *req,     // who
   if (psnapdiri)
     *psnapdiri = 0;
 
-  int client = mdr->reqid.name.is_client() ? mdr->reqid.name.num() : -1;
+  int client = (mdr && mdr->reqid.name.is_client()) ? mdr->reqid.name.num() : -1;
 
   // root
   CInode *cur = get_inode(origpath.get_ino());