fix auth recursive lock issue

1 files changed, 7 insertions, 0 deletions

diff --git a/db/client.cpp b/db/client.cpp
index 1447ab49da0..a7d068453a4 100644
--- a/db/client.cpp
+++ b/db/client.cpp
@@ -114,6 +114,13 @@ namespace mongo {
             _db = dbHolder.getOrCreate( _ns , _path , _justCreated );
             assert( _db );
         }
+        else if ( dbMutex.getState() < -1 ){
+            // nested read lock :(
+            assert( _lock );
+            _lock->releaseAndWriteLock();
+            _db = dbHolder.getOrCreate( _ns , _path , _justCreated );
+            assert( _db );
+        }
         else {
             // we have a read lock, but need to get a write lock for a bit
             // we need to be in a write lock since we're going to create the DB object