From 91b4aaf9e1d3e7cec7654fca51ba3832b2f01b48 Mon Sep 17 00:00:00 2001
From: Elad Ashkenazi <18193363+elad335@users.noreply.github.com>
Date: Sat, 27 Jul 2024 09:56:11 +0300
Subject: [PATCH] PPU: Fix potential overflow

---
 rpcs3/Emu/Cell/lv2/sys_interrupt.cpp  | 2 +-
 rpcs3/Emu/Cell/lv2/sys_ppu_thread.cpp | 2 +-
 rpcs3/Emu/RSX/RSXThread.cpp           | 4 ++--
 rpcs3/Emu/RSX/rsx_methods.cpp         | 4 ++--
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/rpcs3/Emu/Cell/lv2/sys_interrupt.cpp b/rpcs3/Emu/Cell/lv2/sys_interrupt.cpp
index 63d8963ab2..800f2f85b9 100644
--- a/rpcs3/Emu/Cell/lv2/sys_interrupt.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_interrupt.cpp
@@ -92,7 +92,7 @@ void lv2_int_serv::join() const
 		std::bit_cast<u64>(&ppu_thread_exit)
 	});
 
-	thread->cmd_notify++;
+	thread->cmd_notify.store(1);
 	thread->cmd_notify.notify_one();
 	(*thread)();
 
diff --git a/rpcs3/Emu/Cell/lv2/sys_ppu_thread.cpp b/rpcs3/Emu/Cell/lv2/sys_ppu_thread.cpp
index 0f1c487741..064cceb728 100644
--- a/rpcs3/Emu/Cell/lv2/sys_ppu_thread.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_ppu_thread.cpp
@@ -581,7 +581,7 @@ error_code sys_ppu_thread_start(ppu_thread& ppu, u32 thread_id)
 	}
 	else
 	{
-		thread->cmd_notify++;
+		thread->cmd_notify.store(1);
 		thread->cmd_notify.notify_one();
 	}
 
diff --git a/rpcs3/Emu/RSX/RSXThread.cpp b/rpcs3/Emu/RSX/RSXThread.cpp
index d208eac776..7b9f99327e 100644
--- a/rpcs3/Emu/RSX/RSXThread.cpp
+++ b/rpcs3/Emu/RSX/RSXThread.cpp
@@ -933,7 +933,7 @@ namespace rsx
 					{ ppu_cmd::sleep, 0 }
 				});
 
-				intr_thread->cmd_notify++;
+				intr_thread->cmd_notify.store(1);
 				intr_thread->cmd_notify.notify_one();
 			}
 		}
@@ -3923,7 +3923,7 @@ namespace rsx
 					{ ppu_cmd::sleep, 0 }
 				});
 
-				intr_thread->cmd_notify++;
+				intr_thread->cmd_notify.store(1);
 				intr_thread->cmd_notify.notify_one();
 			}
 		}
diff --git a/rpcs3/Emu/RSX/rsx_methods.cpp b/rpcs3/Emu/RSX/rsx_methods.cpp
index de7eabdbfa..a54a743996 100644
--- a/rpcs3/Emu/RSX/rsx_methods.cpp
+++ b/rpcs3/Emu/RSX/rsx_methods.cpp
@@ -57,7 +57,7 @@ namespace rsx
 				{ ppu_cmd::sleep, 0 }
 			});
 
-			RSX(ctx)->intr_thread->cmd_notify++;
+			RSX(ctx)->intr_thread->cmd_notify.store(1);
 			RSX(ctx)->intr_thread->cmd_notify.notify_one();
 		}
 
@@ -84,7 +84,7 @@ namespace rsx
 				{ ppu_cmd::sleep, 0 }
 			});
 
-			RSX(ctx)->intr_thread->cmd_notify++;
+			RSX(ctx)->intr_thread->cmd_notify.store(1);
 			RSX(ctx)->intr_thread->cmd_notify.notify_one();
 		}
 	}