Merge pull request #10540 from nyanpasu64/fix-gcadapter-atomics

Remove atomic usage and fix mutex locking in GCAdapter code

1 files changed, 4 insertions, 3 deletions

diff --git a/Source/Core/InputCommon/GCAdapter.cpp b/Source/Core/InputCommon/GCAdapter.cpp
index 209594a59c..f567335223 100644
--- a/Source/Core/InputCommon/GCAdapter.cpp
+++ b/Source/Core/InputCommon/GCAdapter.cpp
@@ -60,7 +60,8 @@ static std::mutex s_mutex;
 static u8 s_controller_payload[37];
 static u8 s_controller_payload_swap[37];
 
-static std::atomic<int> s_controller_payload_size = {0};
+// Only access with s_mutex held!
+static int s_controller_payload_size = {0};
 
 static std::thread s_adapter_input_thread;
 static std::thread s_adapter_output_thread;
@@ -112,7 +113,7 @@ static void Read()
     {
       std::lock_guard<std::mutex> lk(s_mutex);
       std::swap(s_controller_payload_swap, s_controller_payload);
-      s_controller_payload_size.store(payload_size);
+      s_controller_payload_size = payload_size;
     }
 
     Common::YieldCPU();
@@ -478,7 +479,7 @@ GCPadStatus Input(int chan)
     std::lock_guard<std::mutex> lk(s_mutex);
     std::copy(std::begin(s_controller_payload), std::end(s_controller_payload),
               std::begin(controller_payload_copy));
-    payload_size = s_controller_payload_size.load();
+    payload_size = s_controller_payload_size;
   }
 
   GCPadStatus pad = {};