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Early return on ReleaseDirectMemory with len = 0

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Calls to these two functions with len = 0 cause an assert in CarveDmemArea. Since there's no memory to release, an early return should be safe here.
This commit is contained in:
Stephen Miller 2025-03-07 21:59:28 -06:00
parent 01ad225639
commit b5a1abb739
1 changed files with 6 additions and 0 deletions
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6
src/core/libraries/kernel/memory.cpp
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@ -79,6 +79,9 @@ s32 PS4_SYSV_ABI sceKernelAllocateMainDirectMemory(size_t len, size_t alignment,
} }
s32 PS4_SYSV_ABI sceKernelCheckedReleaseDirectMemory(u64 start, size_t len) { s32 PS4_SYSV_ABI sceKernelCheckedReleaseDirectMemory(u64 start, size_t len) {
if (len == 0) {
return ORBIS_OK;
}
LOG_INFO(Kernel_Vmm, "called start = {:#x}, len = {:#x}", start, len); LOG_INFO(Kernel_Vmm, "called start = {:#x}, len = {:#x}", start, len);
auto* memory = Core::Memory::Instance(); auto* memory = Core::Memory::Instance();
memory->Free(start, len); memory->Free(start, len);
@ -86,6 +89,9 @@ s32 PS4_SYSV_ABI sceKernelCheckedReleaseDirectMemory(u64 start, size_t len) {
} }
s32 PS4_SYSV_ABI sceKernelReleaseDirectMemory(u64 start, size_t len) { s32 PS4_SYSV_ABI sceKernelReleaseDirectMemory(u64 start, size_t len) {
if (len == 0) {
return ORBIS_OK;
}
auto* memory = Core::Memory::Instance(); auto* memory = Core::Memory::Instance();
memory->Free(start, len); memory->Free(start, len);
return ORBIS_OK; return ORBIS_OK;