Re: [RESEND PATCH 1/2] perf probe: Fix the missed parameterinitialization

From: Lin Ming
Date: Sat Apr 30 2011 - 00:14:57 EST


On Sat, 2011-04-30 at 01:33 +0800, Arnaldo Carvalho de Melo wrote:
> Em Fri, Apr 29, 2011 at 08:41:57AM +0000, Lin Ming escreveu:
> > pubname_callback_param::found should be initialized to 0 in fastpath lookup.
>
>
> Is this really needed? Or is this just to stress it, for documentational
> purposes?

Yes, this is really needed.

It should be initialized to 0, and pubname_search_cb will set it to 1 if
the function is found.

>
> > Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
> > ---
> > tools/perf/util/probe-finder.c | 1 +
> > 1 files changed, 1 insertions(+), 0 deletions(-)
> >
> > diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
> > index a7c7145..3b9d0b8 100644
> > --- a/tools/perf/util/probe-finder.c
> > +++ b/tools/perf/util/probe-finder.c
> > @@ -1538,6 +1538,7 @@ static int find_probes(int fd, struct probe_finder *pf)
> > .file = pp->file,
> > .cu_die = &pf->cu_die,
> > .sp_die = &pf->sp_die,
> > + .found = 0,
> > };
> > struct dwarf_callback_param probe_param = {
> > .data = pf,
> > --
> > 1.7.4.4


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