From 90a3f3af3064deafbe0813bd1e9e522522063e12 Mon Sep 17 00:00:00 2001
From: kd-11 <karokidii@gmail.com>
Date: Sun, 26 Nov 2017 15:51:16 +0300
Subject: [PATCH] rsx: Discard queue if RET is found without CALL

---
 rpcs3/Emu/RSX/RSXThread.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/rpcs3/Emu/RSX/RSXThread.cpp b/rpcs3/Emu/RSX/RSXThread.cpp
index 922e99203b..86d78df432 100644
--- a/rpcs3/Emu/RSX/RSXThread.cpp
+++ b/rpcs3/Emu/RSX/RSXThread.cpp
@@ -545,6 +545,13 @@ namespace rsx
 			}
 			if (cmd == RSX_METHOD_RETURN_CMD)
 			{
+				if (m_call_stack.size() == 0)
+				{
+					LOG_ERROR(RSX, "FIFO: RET found without corresponding CALL. Discarding queue");
+					internal_get = put;
+					continue;
+				}
+
 				u32 get = m_call_stack.top();
 				m_call_stack.pop();
 				//LOG_WARNING(RSX, "rsx return(0x%x)", get);