From 99a839d6699aecb0d554c84d8a25bda20fe5b697 Mon Sep 17 00:00:00 2001
From: Billy Laws <blaws05@gmail.com>
Date: Sun, 30 May 2021 17:47:34 +0100
Subject: [PATCH] Check the mutex tag in MutexLock if the given handle isn't
 found

Makes sure the correct error is reported as HOS only reports
InvalidHandle if the tag matches.
---
 app/src/main/cpp/skyline/kernel/types/KProcess.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/src/main/cpp/skyline/kernel/types/KProcess.cpp b/app/src/main/cpp/skyline/kernel/types/KProcess.cpp
index 71c13f8c..f9ebdc1a 100644
--- a/app/src/main/cpp/skyline/kernel/types/KProcess.cpp
+++ b/app/src/main/cpp/skyline/kernel/types/KProcess.cpp
@@ -110,6 +110,9 @@ namespace skyline::kernel::type {
         try {
             owner = GetHandle<KThread>(ownerHandle);
         } catch (const std::out_of_range &) {
+            if (*mutex != (ownerHandle | HandleWaitersBit))
+                return result::InvalidCurrentMemory;
+
             return result::InvalidHandle;
         }