linux-kernel - Re: [PATCH 08/11] dynamic_debug: return int from ddebug

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Date:	Tue, 28 Jun 2011 10:54:05 -0400
From:	Jason Baron <jbaron@...hat.com>
To:	Bart Van Assche <bvanassche@....org>
Cc:	Jim Cromie <jim.cromie@...il.com>, linux-kernel@...r.kernel.org,
	gnb@...h.org, gregkh@...e.de
Subject: Re: [PATCH 08/11] dynamic_debug: return int from ddebug_change

On Tue, Jun 28, 2011 at 12:24:56PM +0200, Bart Van Assche wrote:
> On Tue, Jun 28, 2011 at 9:09 AM, Jim Cromie <jim.cromie@...il.com> wrote:
> > @@ -425,6 +424,7 @@ static int ddebug_exec_query(char *query_string)
> >  #define MAXWORDS 9
> >        int nwords;
> >        char *words[MAXWORDS];
> > +       int nfound;
> >
> >        nwords = ddebug_tokenize(query_string, words, MAXWORDS);
> >        if (nwords <= 0)
> > @@ -435,7 +435,8 @@ static int ddebug_exec_query(char *query_string)
> >                return -EINVAL;
> >
> >        /* actually go and implement the change */
> > -       ddebug_change(&query, flags, mask);
> > +       nfound = ddebug_change(&query, flags, mask);
> > +
> >        return 0;
> 
> Do these changes actually do anything, or did I miss something ?
> 
> Bart.

its used in a subsequent patch to decide whether or not to call
add_to_pending.

thanks,

-Jason
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