hle: service: sm: GetService: Reserve session resource when we create a KSession.

src/core/hle/service/sm/sm.cpp

@@ -133,9 +133,16 @@ void SM::GetService(Kernel::HLERequestContext& ctx) {
 
     auto* port = result.Unwrap();
 
+    Kernel::KScopedResourceReservation session_reservation(
+        kernel.CurrentProcess()->GetResourceLimit(), Kernel::LimitableResource::Sessions);
+    R_UNLESS(session_reservation.Succeeded(), Kernel::ResultLimitReached);
+
     auto* session = Kernel::KSession::Create(kernel);
     session->Initialize(&port->GetClientPort(), std::move(name));
 
+    // Commit the session reservation.
+    session_reservation.Commit();
+
     if (port->GetServerPort().GetHLEHandler()) {
         port->GetServerPort().GetHLEHandler()->ClientConnected(&session->GetServerSession());
     } else {