Fix IDEA error in safeWaitForPos()

Change-Id: Iecb023925177be05282f67e48056aeb8f2a9703c

diff --git a/includes/db/loadbalancer/LoadBalancer.php b/includes/db/loadbalancer/LoadBalancer.php
index fc7fa13..97df0d6 100644 (file)
--- a/includes/db/loadbalancer/LoadBalancer.php
+++ b/includes/db/loadbalancer/LoadBalancer.php
@@ -1391,6 +1391,9 @@ class LoadBalancer {
                }
 
                $pos = $pos ?: $this->getConnection( DB_MASTER )->getMasterPos();
+               if ( !$pos ) {
+                       return false; // something is misconfigured
+               }
 
                $result = $conn->masterPosWait( $pos, $timeout );
                if ( $result == -1 || is_null( $result ) ) {