Re: [PATCH 2/3] ftrace: Return EINVAL when writing invalid val toset_ftrace_filter

From: Steven Rostedt
Date: Tue Nov 03 2009 - 23:43:19 EST


On Wed, 2009-11-04 at 10:58 +0800, Li Zefan wrote:
> Frederic Weisbecker wrote:
> > On Tue, Nov 03, 2009 at 08:56:28AM +0800, Li Zefan wrote:
> >> Currently it doesn't warn user on invald value:
> >>
> >> # echo nonexist_symbol > set_ftrace_filter
> >>
> >> Better make it return failure.
> >>
> >> Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
> >> ---
> >
> >
> > Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> >
> > But shouldn't we have the same kind of check from
> > ftrace_match_module_records() if we haven't matched
> > anything with the regex?
> >
>
> Right, I overlooked it.
>

Only the first patch is urgent. I'll get that out and wait for you to
update these other two (or just this one).

Thanks,

-- Steve


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