# Re: \[PATCH\] vsprintf: Do not break early boot with probing addresses

- From: Steven Rostedt \<rostedt@goodmis.org\>
- Date: 2019-05-13 14:15:55 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2019/05/5595440
- Thread: https://ratatoskr.run/linuxppc-dev/2019/05/5592853/t.md

```text
On Mon, 13 May 2019 14:42:20 +0200
Petr Mladek [ref] wrote:

> > The "(null)" is good enough by itself and already an established
> > practice..  
> 
> (efault) made more sense with the probe_kernel_read() that
> checked wide range of addresses. Well, I still think that
> it makes sense to distinguish a pure NULL. And it still
> used also for IS_ERR_VALUE().

Why not just "(fault)"? That is self descriptive enough.

-- Steve
```