ntdll: Don't require equal Length and MaximumLength when setting ThreadNameInformation.

dlls/kernel32/tests/thread.c

@@ -2493,13 +2493,11 @@ static void test_thread_description(void)
     RtlInitUnicodeString(&thread_desc->ThreadName, (WCHAR *)(thread_desc + 1));
 
     status = pNtSetInformationThread(GetCurrentThread(), ThreadNameInformation, thread_desc, sizeof(*thread_desc));
-    todo_wine
     ok(status == STATUS_SUCCESS, "Failed to set thread description, status %#x.\n", status);
 
     ptr = NULL;
     hr = pGetThreadDescription(GetCurrentThread(), &ptr);
     ok(hr == HRESULT_FROM_NT(STATUS_SUCCESS), "Failed to get thread description, hr %#x.\n", hr);
-    todo_wine
     ok(!lstrcmpW(ptr, L"desc"), "Unexpected description %s.\n", wine_dbgstr_w(ptr));
     LocalFree(ptr);
 

dlls/ntdll/unix/thread.c

@@ -2237,7 +2237,6 @@ NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
 
         if (length != sizeof(*info)) return STATUS_INFO_LENGTH_MISMATCH;
         if (!info) return STATUS_ACCESS_VIOLATION;
-        if (info->ThreadName.Length != info->ThreadName.MaximumLength) return STATUS_INVALID_PARAMETER;
         if (info->ThreadName.Length && !info->ThreadName.Buffer) return STATUS_ACCESS_VIOLATION;
 
         SERVER_START_REQ( set_thread_info )