[PATCH] arm64: ftrace: don't dereference a probably invalid address

[Mark-PK Tsai]

> On Tue, 8 Jun 2021 02:14:03 +0800
> Mark-PK Tsai <mark-pk.tsai at mediatek.com> wrote:
> 
> > Should I resend this patch as v2?
> > Or you will upstream this fix?
> 
> I'll push it. I have some other fixes to add as well.
> 
> Thanks!
> 
> -- Steve

Thanks!

Here is my reported and tested by.

Reported-and-tested-by: Mark-PK Tsai <mark-pk.tsai at mediatek.com>