From 32789a70fb3189e6cc467e86417d85bada7fb7e2 Mon Sep 17 00:00:00 2001
From: wwylele <wwylele@gmail.com>
Date: Wed, 12 Oct 2016 21:02:08 +0800
Subject: [PATCH] NWM: stub Initialize with an error

---
 src/core/hle/service/nwm_uds.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/core/hle/service/nwm_uds.cpp b/src/core/hle/service/nwm_uds.cpp
index 27e829209..80081aae2 100644
--- a/src/core/hle/service/nwm_uds.cpp
+++ b/src/core/hle/service/nwm_uds.cpp
@@ -97,10 +97,21 @@ static void Initialize(Service::Interface* self) {
     u32 value = cmd_buff[13];
     u32 handle = cmd_buff[14];
 
+    // Because NWM service is not implemented at all, we stub the Initialize function with an error
+    // code instead of success to prevent games from using the service and from causing more issues.
+    // The error code is from a real 3DS with wifi off, thus believed to be "network disabled".
+    /*
     cmd_buff[1] = RESULT_SUCCESS.raw;
     cmd_buff[2] = 0;
     cmd_buff[3] = Kernel::g_handle_table.Create(handle_event)
                       .MoveFrom(); // TODO(purpasmart): Verify if this is a event handle
+    */
+    cmd_buff[0] = IPC::MakeHeader(0x1B, 1, 2);
+    cmd_buff[1] = ResultCode(static_cast<ErrorDescription>(2), ErrorModule::UDS,
+                             ErrorSummary::StatusChanged, ErrorLevel::Status)
+                      .raw;
+    cmd_buff[2] = 0;
+    cmd_buff[3] = 0;
 
     LOG_WARNING(Service_NWM, "(STUBBED) called unk1=0x%08X, unk2=0x%08X, value=%u, handle=0x%08X",
                 unk1, unk2, value, handle);