From 62cf0851430b4c49fe6b91cfad7de858dda782a2 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 14 May 2018 10:03:49 +0900
Subject: [PATCH] timesync: use NULL instead of empty string

---
 src/timesync/timesyncd-bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/timesync/timesyncd-bus.c b/src/timesync/timesyncd-bus.c
index 1932043fb95..6243debfebe 100644
--- a/src/timesync/timesyncd-bus.c
+++ b/src/timesync/timesyncd-bus.c
@@ -56,7 +56,7 @@ static int property_get_current_server_name(
         assert(bus);
         assert(reply);
 
-        return sd_bus_message_append(reply, "s", *s ? (*s)->string : "");
+        return sd_bus_message_append(reply, "s", *s ? (*s)->string : NULL);
 }
 
 static int property_get_current_server_address(