SERVER-5093 fix logic error to avoid memory corruption.

1 files changed, 3 insertions, 4 deletions

diff --git a/s/config.cpp b/s/config.cpp
index 8887c61a03b..0f5aaf1b2c1 100644
--- a/s/config.cpp
+++ b/s/config.cpp
@@ -215,14 +215,13 @@ namespace mongo {
         {
             scoped_lock lk( _lock );
             
-            CollectionInfo& ci = _collections[ns];
-            
-            bool earlyReload = ! ci.isSharded() && ( shouldReload || forceReload );
+            bool earlyReload = ! _collections[ns].isSharded() && ( shouldReload || forceReload );
             if ( earlyReload ) {
                 // this is to catch cases where there this is a new sharded collection
                 _reload();
-                ci = _collections[ns];
             }
+
+            CollectionInfo& ci = _collections[ns];
             massert( 10181 ,  (string)"not sharded:" + ns , ci.isSharded() );
             assert( ! ci.key().isEmpty() );