core: hle: kernel: KEvent: Pass in owner KProcess on event creation.

- This is necessary to ensure resource limits are freed from the right process.

src/core/hle/kernel/k_event.cpp

@@ -14,7 +14,7 @@ KEvent::KEvent(KernelCore& kernel_)
 
 KEvent::~KEvent() = default;
 
-void KEvent::Initialize(std::string&& name_) {
+void KEvent::Initialize(std::string&& name_, KProcess* owner_) {
     // Increment reference count.
     // Because reference count is one on creation, this will result
     // in a reference count of two. Thus, when both readable and
@@ -30,10 +30,8 @@ void KEvent::Initialize(std::string&& name_) {
     writable_event.Initialize(this, name_ + ":Writable");
 
     // Set our owner process.
-    owner = kernel.CurrentProcess();
-    if (owner) {
-        owner->Open();
-    }
+    owner = owner_;
+    owner->Open();
 
     // Mark initialized.
     name = std::move(name_);
@@ -47,10 +45,8 @@ void KEvent::Finalize() {
 void KEvent::PostDestroy(uintptr_t arg) {
     // Release the event count resource the owner process holds.
     KProcess* owner = reinterpret_cast<KProcess*>(arg);
-    if (owner) {
-        owner->GetResourceLimit()->Release(LimitableResource::Events, 1);
-        owner->Close();
-    }
+    owner->GetResourceLimit()->Release(LimitableResource::Events, 1);
+    owner->Close();
 }
 
 } // namespace Kernel

src/core/hle/kernel/k_event.h

@@ -22,7 +22,7 @@ public:
     explicit KEvent(KernelCore& kernel_);
     ~KEvent() override;
 
-    void Initialize(std::string&& name);
+    void Initialize(std::string&& name, KProcess* owner_);
 
     void Finalize() override;
 

src/core/hle/kernel/svc.cpp

@@ -2332,7 +2332,7 @@ static ResultCode CreateEvent(Core::System& system, Handle* out_write, Handle* o
     R_UNLESS(event != nullptr, ResultOutOfResource);
 
     // Initialize the event.
-    event->Initialize("CreateEvent");
+    event->Initialize("CreateEvent", kernel.CurrentProcess());
 
     // Commit the thread reservation.
     event_reservation.Commit();

src/core/hle/service/kernel_helpers.cpp

@@ -43,7 +43,7 @@ Kernel::KEvent* ServiceContext::CreateEvent(std::string&& name) {
     }
 
     // Initialize the event.
-    event->Initialize(std::move(name));
+    event->Initialize(std::move(name), process);
 
     // Commit the thread reservation.
     event_reservation.Commit();