# Re: \[PATCH v4 2/2\] powerpc: Uprobes port to powerpc

- From: Benjamin Herrenschmidt \<benh@kernel.crashing.org\>
- Date: 2012-08-24 07:08:21 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2012/08/3913879
- Thread: https://ratatoskr.run/linuxppc-dev/2012/08/3912608/t.md

```text
On Fri, 2012-08-24 at 11:13 +1000, Michael Ellerman wrote:
> 
> Yeah. A NULL regs here is a kernel bug, so I think it's actually
> preferable to crash than silently return. 

Or best, if you think there's a remote chance that the bug might hit:

	if (WARN(!regs))
		return

Cheers,
Ben.
```