Re: [PATCH] ftrace: Remove possible deadlock between register_kprobe() and ftrace_run_update_code()

[Petr Mladek]

On Fri 2019-06-28 09:32:03, Miroslav Benes wrote:
> On Thu, 27 Jun 2019, Petr Mladek wrote:
> > @@ -2611,12 +2610,10 @@ static void ftrace_run_update_code(int command)
> >  {
> >  	int ret;
> >  
> > -	mutex_lock(&text_mutex);
> > -
> >  	ret = ftrace_arch_code_modify_prepare();
> >  	FTRACE_WARN_ON(ret);
> >  	if (ret)
> > -		goto out_unlock;
> > +		return ret;
> 
> Should be just "return;", because the function is "static void".

Grr, I usually check compiler warnings but I evidently skipped it
in this case :-(

Steven, should I send a fixed/folloup patch or will you just
fix it when pushing?

Best Regards,
Petr