SERVER-17249 filemd5 shouldn't reuse CanonicalQuery after WCE

1 files changed, 6 insertions, 6 deletions

diff --git a/src/mongo/db/dbcommands.cpp b/src/mongo/db/dbcommands.cpp
index 15c0e094f68..db5a64f8b96 100644
--- a/src/mongo/db/dbcommands.cpp
+++ b/src/mongo/db/dbcommands.cpp
@@ -685,13 +685,13 @@ namespace mongo {
             BSONObj query = BSON( "files_id" << jsobj["filemd5"] << "n" << GTE << n );
             BSONObj sort = BSON( "files_id" << 1 << "n" << 1 );
 
-            CanonicalQuery* cq;
-            if (!CanonicalQuery::canonicalize(ns, query, sort, BSONObj(), &cq).isOK()) {
-                uasserted(17240, "Can't canonicalize query " + query.toString());
-                return 0;
-            }
-
             MONGO_WRITE_CONFLICT_RETRY_LOOP_BEGIN {
+                CanonicalQuery* cq;
+                if (!CanonicalQuery::canonicalize(ns, query, sort, BSONObj(), &cq).isOK()) {
+                    uasserted(17240, "Can't canonicalize query " + query.toString());
+                    return 0;
+                }
+
                 // Check shard version at startup.
                 // This will throw before we've done any work if shard version is outdated
                 // We drop and re-acquire these locks every document because md5'ing is expensive