From b71a69891e06acd0169d1dfd595c5b8f7edb2ea0 Mon Sep 17 00:00:00 2001
From: Dwight <dmerriman@gmail.com>
Date: Tue, 22 Sep 2009 14:34:55 -0400
Subject: [PATCH] fix isMaster() for master-master mode

---
 db/replset.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/db/replset.h b/db/replset.h
index 3238771118c..34d61cc8d7e 100644
--- a/db/replset.h
+++ b/db/replset.h
@@ -126,6 +126,13 @@ namespace mongo {
 			if( replPair->state == ReplPair::State_Master )
 				return true;
 		}
+        else { 
+            if( master ) {
+                // if running with --master --slave, allow.  note that master is also true 
+                // for repl pairs so the check for replPair above is important.
+                return true;
+            }
+        }
 
         return strcmp( client, "local" ) == 0;
     }