linux-kernel - Re: [PATCH 3/3] tracing/ftrace: fix a memory leak in stat tracing

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Date:	Tue, 6 Jan 2009 21:53:03 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, fweisbec@...il.com,
	roel.kluin@...il.com, pq@....fi, srostedt@...hat.com
Subject: Re: [PATCH 3/3] tracing/ftrace: fix a memory leak in stat tracing



On Tue, 6 Jan 2009, Andrew Morton wrote:

> On Tue, 06 Jan 2009 17:33:40 -0500
> Steven Rostedt <rostedt@...dmis.org> wrote:
> 
> >  static int stat_seq_show(struct seq_file *s, void *v)
> >  {
> > -	struct trace_stat_list *l = list_entry(v, struct trace_stat_list, list);
> > -	return current_tracer.stat_show(s, l->stat);
> > +	struct trace_stat_list *entry =
> > +		list_entry(v, struct trace_stat_list, list);
> > +
> > +	return current_tracer.stat_show(s, entry->stat);
> >  }
> 
> Rather than jumping through weird 80-column hoops, one can just do:
> 
> 	struct trace_stat_list *entry;
> 
> 	...
> 
> 	entry = list_entry(v, struct trace_stat_list, list);

OK, this is Frederics work. I'll submit a separate clean up patch.

-- Steve

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