From 01ad225639deed2445b7b1f9f2d40259e9220a13 Mon Sep 17 00:00:00 2001
From: Stephen Miller <millerste004@gmail.com>
Date: Fri, 7 Mar 2025 21:41:31 -0600
Subject: [PATCH] Fix error return on sceKernelMunmap

FreeBSD docs state that len <= 0 is a EINVAL return.
---
 src/core/libraries/kernel/memory.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/libraries/kernel/memory.cpp b/src/core/libraries/kernel/memory.cpp
index 82c5115f1..76a9a876b 100644
--- a/src/core/libraries/kernel/memory.cpp
+++ b/src/core/libraries/kernel/memory.cpp
@@ -506,8 +506,8 @@ s32 PS4_SYSV_ABI sceKernelConfiguredFlexibleMemorySize(u64* sizeOut) {
 
 int PS4_SYSV_ABI sceKernelMunmap(void* addr, size_t len) {
     LOG_INFO(Kernel_Vmm, "addr = {}, len = {:#x}", fmt::ptr(addr), len);
-    if (len == 0) {
-        return ORBIS_OK;
+    if (len <= 0) {
+        return ORBIS_KERNEL_ERROR_EINVAL;
     }
     auto* memory = Core::Memory::Instance();
     return memory->UnmapMemory(std::bit_cast<VAddr>(addr), len);