From ad038609c877ad54dde7b9592f0584deb56a27c5 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Fri, 5 Nov 2021 02:57:14 +0100
Subject: NVDRV: Fix clearing when destroying.

---
 src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp | 13 +++++++------
 src/core/hle/service/nvdrv/nvdrv.cpp               |  7 ++-----
 src/core/hle/service/nvdrv/nvdrv.h                 |  3 ---
 3 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
index 122c1d5e1..abde2a6d3 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
@@ -24,12 +24,9 @@ namespace Service::Nvidia::Devices {
 nvhost_ctrl::nvhost_ctrl(Core::System& system_, EventInterface& events_interface_,
                          NvCore::Container& core_)
     : nvdevice{system_}, events_interface{events_interface_}, core{core_},
-      syncpoint_manager{core_.GetSyncpointManager()} {
-    events_interface.RegisterForSignal(this);
-}
+      syncpoint_manager{core_.GetSyncpointManager()} {}
 
 nvhost_ctrl::~nvhost_ctrl() {
-    events_interface.UnregisterForSignal(this);
     for (auto& event : events) {
         if (!event.registered) {
             continue;
@@ -77,8 +74,12 @@ NvResult nvhost_ctrl::Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>&
     return NvResult::NotImplemented;
 }
 
-void nvhost_ctrl::OnOpen(DeviceFD fd) {}
-void nvhost_ctrl::OnClose(DeviceFD fd) {}
+void nvhost_ctrl::OnOpen(DeviceFD fd) {
+    events_interface.RegisterForSignal(this);
+}
+void nvhost_ctrl::OnClose(DeviceFD fd) {
+    events_interface.UnregisterForSignal(this);
+}
 
 NvResult nvhost_ctrl::NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output) {
     IocGetConfigParams params{};
diff --git a/src/core/hle/service/nvdrv/nvdrv.cpp b/src/core/hle/service/nvdrv/nvdrv.cpp
index ff8c7c13c..208de0b75 100644
--- a/src/core/hle/service/nvdrv/nvdrv.cpp
+++ b/src/core/hle/service/nvdrv/nvdrv.cpp
@@ -29,7 +29,7 @@
 
 namespace Service::Nvidia {
 
-EventInterface::EventInterface(Module& module_) : module{module_} {}
+EventInterface::EventInterface(Module& module_) : module{module_}, guard{}, on_signal{} {}
 
 EventInterface::~EventInterface() = default;
 
@@ -40,10 +40,7 @@ void EventInterface::RegisterForSignal(Devices::nvhost_ctrl* device) {
 
 void EventInterface::UnregisterForSignal(Devices::nvhost_ctrl* device) {
     std::unique_lock<std::mutex> lk(guard);
-    auto it = std::find(on_signal.begin(), on_signal.end(), device);
-    if (it != on_signal.end()) {
-        on_signal.erase(it);
-    }
+    on_signal.remove(device);
 }
 
 void EventInterface::Signal(u32 syncpoint_id, u32 value) {
diff --git a/src/core/hle/service/nvdrv/nvdrv.h b/src/core/hle/service/nvdrv/nvdrv.h
index 3983794bb..1fe98cf32 100644
--- a/src/core/hle/service/nvdrv/nvdrv.h
+++ b/src/core/hle/service/nvdrv/nvdrv.h
@@ -110,9 +110,6 @@ private:
     /// Mapping of file descriptors to the devices they reference.
     FilesContainerType open_files;
 
-    /// Mapping of device node names to their implementation.
-    std::unordered_map<std::string, std::shared_ptr<Devices::nvdevice>> devices;
-
     KernelHelpers::ServiceContext service_context;
 
     EventInterface events_interface;
-- 
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