kdbus: modified to check null value

Change-Id: I630159453a711f9951ab09535c5417ec9040a0b9
Signed-off-by: sanghyeok.oh <sanghyeok.oh@samsung.com>

diff --git a/gio/gkdbus.c b/gio/gkdbus.c
index ef47d94..9160f84 100755 (executable)
--- a/gio/gkdbus.c
+++ b/gio/gkdbus.c
@@ -1673,7 +1673,7 @@ _g_kdbus_send_Ping (GKDBusWorker *worker,
                     GError      **error)
 {
   GDBusMessage *ping_message;
-  GDBusMessage *reply;
+  GDBusMessage *reply = NULL;
   gboolean ret;
 
   ping_message = g_dbus_message_new_method_call (name, "/", "org.freedesktop.DBus.Peer", "Ping");
@@ -1681,7 +1681,8 @@ _g_kdbus_send_Ping (GKDBusWorker *worker,
 
   ret = _g_kdbus_send (worker, ping_message, &reply, 25000, NULL, NULL);
   g_object_unref (ping_message);
-  g_object_unref (reply);
+  if (reply)
+    g_object_unref (reply);
 
   if (!ret)
     {