From 4b2e949ab2432a9cad844258d566393b69157e32 Mon Sep 17 00:00:00 2001
From: Ben Pfaff <blp@nicira.com>
Date: Tue, 13 Jan 2009 16:21:37 -0800
Subject: [PATCH] brcompat: Don't try to write the config file if it isn't
 configured.

---
 vswitchd/brcompat.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/vswitchd/brcompat.c b/vswitchd/brcompat.c
index 6dd5743f..a6c25cf9 100644
--- a/vswitchd/brcompat.c
+++ b/vswitchd/brcompat.c
@@ -210,6 +210,10 @@ brc_modify_config(const char *dp_name, const char *port_name,
     size_t i, j;
     int n_ports = -1;
 
+    if (!config_name) {
+        return;
+    }
+
     svec_init(&new_cfg);
     svec_init(&old_br);
     svec_init(&old_keys);
-- 
2.30.2