From a22297f205d0079d2f48eef6b8998241fb57cd87 Mon Sep 17 00:00:00 2001
From: eladash <elad3356p@gmail.com>
Date: Fri, 22 Feb 2019 14:45:01 +0200
Subject: [PATCH] exception throwing fix in sys_lwmutex_create

arg6 doesnt exist, if arg4 is not negative name is discarded and treated as 0.
---
 rpcs3/Emu/Cell/Modules/sys_lwmutex_.cpp | 2 +-
 rpcs3/Emu/Cell/lv2/sys_lwmutex.cpp      | 8 ++++----
 rpcs3/Emu/Cell/lv2/sys_lwmutex.h        | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/rpcs3/Emu/Cell/Modules/sys_lwmutex_.cpp b/rpcs3/Emu/Cell/Modules/sys_lwmutex_.cpp
index ac1fb7c4bc..d2b32445f0 100644
--- a/rpcs3/Emu/Cell/Modules/sys_lwmutex_.cpp
+++ b/rpcs3/Emu/Cell/Modules/sys_lwmutex_.cpp
@@ -42,7 +42,7 @@ error_code sys_lwmutex_create(vm::ptr<sys_lwmutex_t> lwmutex, vm::ptr<sys_lwmute
 	attrs->flags     = 0;
 	attrs->name_u64  = attr->name_u64;
 
-	if (error_code res = g_cfg.core.hle_lwmutex ? sys_mutex_create(out_id, attrs) : _sys_lwmutex_create(out_id, protocol, lwmutex, 0x80000001, attr->name_u64, 0))
+	if (error_code res = g_cfg.core.hle_lwmutex ? sys_mutex_create(out_id, attrs) : _sys_lwmutex_create(out_id, protocol, lwmutex, 0x80000001, attr->name_u64))
 	{
 		return res;
 	}
diff --git a/rpcs3/Emu/Cell/lv2/sys_lwmutex.cpp b/rpcs3/Emu/Cell/lv2/sys_lwmutex.cpp
index 42161acabd..bc5372d7a0 100644
--- a/rpcs3/Emu/Cell/lv2/sys_lwmutex.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_lwmutex.cpp
@@ -13,9 +13,9 @@ LOG_CHANNEL(sys_lwmutex);
 
 extern u64 get_system_time();
 
-error_code _sys_lwmutex_create(vm::ptr<u32> lwmutex_id, u32 protocol, vm::ptr<sys_lwmutex_t> control, u32 arg4, u64 name, u32 arg6)
+error_code _sys_lwmutex_create(vm::ptr<u32> lwmutex_id, u32 protocol, vm::ptr<sys_lwmutex_t> control, s32 has_name, u64 name)
 {
-	sys_lwmutex.warning("_sys_lwmutex_create(lwmutex_id=*0x%x, protocol=0x%x, control=*0x%x, arg4=0x%x, name=0x%llx, arg6=0x%x)", lwmutex_id, protocol, control, arg4, name, arg6);
+	sys_lwmutex.warning("_sys_lwmutex_create(lwmutex_id=*0x%x, protocol=0x%x, control=*0x%x, arg4=0x%x, name=0x%llx, arg6=0x%x)", lwmutex_id, protocol, control, has_name, name);
 
 	if (protocol == SYS_SYNC_RETRY)
 		sys_lwmutex.todo("_sys_lwmutex_create(): SYS_SYNC_RETRY");
@@ -26,9 +26,9 @@ error_code _sys_lwmutex_create(vm::ptr<u32> lwmutex_id, u32 protocol, vm::ptr<sy
 		return CELL_EINVAL;
 	}
 
-	if (arg4 != 0x80000001 || arg6)
+	if (!(has_name < 0))
 	{
-		fmt::throw_exception("Unknown arguments (arg4=0x%x, arg6=0x%x)" HERE, arg4, arg6);
+		name = 0;
 	}
 
 	if (const u32 id = idm::make<lv2_obj, lv2_lwmutex>(protocol, control, name))
diff --git a/rpcs3/Emu/Cell/lv2/sys_lwmutex.h b/rpcs3/Emu/Cell/lv2/sys_lwmutex.h
index b17ec0f1aa..30e3ea6d01 100644
--- a/rpcs3/Emu/Cell/lv2/sys_lwmutex.h
+++ b/rpcs3/Emu/Cell/lv2/sys_lwmutex.h
@@ -74,7 +74,7 @@ class ppu_thread;
 
 // Syscalls
 
-error_code _sys_lwmutex_create(vm::ptr<u32> lwmutex_id, u32 protocol, vm::ptr<sys_lwmutex_t> control, u32 arg4, u64 name, u32 arg6);
+error_code _sys_lwmutex_create(vm::ptr<u32> lwmutex_id, u32 protocol, vm::ptr<sys_lwmutex_t> control, s32 has_name, u64 name);
 error_code _sys_lwmutex_destroy(u32 lwmutex_id);
 error_code _sys_lwmutex_lock(ppu_thread& ppu, u32 lwmutex_id, u64 timeout);
 error_code _sys_lwmutex_trylock(u32 lwmutex_id);