From 0b33e36292ca44151da32c7866e4c4394add564b Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sun, 24 Sep 2017 00:12:58 -0500
Subject: HLE/SRV: Implemented RegisterService.

Now system modules can do more than just crash immediately on startup.
---
 src/core/hle/service/sm/sm.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/core/hle/service/sm/sm.cpp')

diff --git a/src/core/hle/service/sm/sm.cpp b/src/core/hle/service/sm/sm.cpp
index 5e7fc68f9..854ab9a05 100644
--- a/src/core/hle/service/sm/sm.cpp
+++ b/src/core/hle/service/sm/sm.cpp
@@ -36,6 +36,10 @@ ResultVal<Kernel::SharedPtr<Kernel::ServerPort>> ServiceManager::RegisterService
     std::string name, unsigned int max_sessions) {
 
     CASCADE_CODE(ValidateServiceName(name));
+
+    if (registered_services.find(name) != registered_services.end())
+        return ERR_ALREADY_REGISTERED;
+
     Kernel::SharedPtr<Kernel::ServerPort> server_port;
     Kernel::SharedPtr<Kernel::ClientPort> client_port;
     std::tie(server_port, client_port) = Kernel::ServerPort::CreatePortPair(max_sessions, name);
-- 
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