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kernel/svc: Move and correct returned error code for invalid thread priorities in SetThreadPriority()

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All priority checks are supposed to occur before checking the validity
of the thread handle, we're also not supposed to return
ERR_NOT_AUTHORIZED here.
This commit is contained in:
Lioncash 2018-10-24 14:07:53 -04:00
parent c7c346a15d
commit 77328b0f19
1 changed files with 6 additions and 5 deletions
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11
src/core/hle/kernel/svc.cpp
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@ -594,16 +594,17 @@ static ResultCode SetThreadPriority(Handle handle, u32 priority) {
}
const auto* const current_process = Core::CurrentProcess();
SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
// Note: The kernel uses the current process's resource limit instead of
// the one from the thread owner's resource limit.
const ResourceLimit& resource_limit = current_process->GetResourceLimit();
if (resource_limit.GetMaxResourceValue(ResourceType::Priority) > priority) {
return ERR_NOT_AUTHORIZED;
return ERR_INVALID_THREAD_PRIORITY;
}
SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
thread->SetPriority(priority);