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

From: Benjamin Herrenschmidt <[email-masked]>
Date: Fri, 24 Aug 2012 17:07:31 +1000

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.