From d0de837efd597ea4cc953bb0c41ea1a692943841 Mon Sep 17 00:00:00 2001
From: deReeperJosh <joshua@dereeper.co.nz>
Date: Tue, 26 Sep 2023 18:10:29 +0100
Subject: [PATCH] HIDv4: Check Device Not Null Before Attaching

---
 Source/Core/Core/IOS/USB/USB_HID/HIDv4.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Source/Core/Core/IOS/USB/USB_HID/HIDv4.cpp b/Source/Core/Core/IOS/USB/USB_HID/HIDv4.cpp
index fd8faaa3a6..1118599c4d 100644
--- a/Source/Core/Core/IOS/USB/USB_HID/HIDv4.cpp
+++ b/Source/Core/Core/IOS/USB/USB_HID/HIDv4.cpp
@@ -59,6 +59,8 @@ std::optional<IPCReply> USB_HIDv4::IOCtl(const IOCtlRequest& request)
     if (request.buffer_in == 0 || request.buffer_in_size != 32)
       return IPCReply(IPC_EINVAL);
     const auto device = GetDeviceByIOSID(memory.Read_U32(request.buffer_in + 16));
+    if (!device)
+      return IPCReply(IPC_ENOENT);
     if (!device->Attach())
       return IPCReply(IPC_EINVAL);
     return HandleTransfer(device, request.request,