linux-kernel - Re: [RFC][PATCH 12/23 v4] tracing: Remove return values of most trace_seq

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Message-ID: <20141114095339.79e7e51c@gandalf.local.home>
Date:	Fri, 14 Nov 2014 09:53:39 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Petr Mladek <pmladek@...e.cz>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>
Subject: Re: [RFC][PATCH 12/23 v4] tracing: Remove return values of most
 trace_seq_*() functions

On Fri, 14 Nov 2014 14:17:28 +0100
Petr Mladek <pmladek@...e.cz> wrote:

> > -int trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
> > +void trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
> >  			 unsigned int len)
> >  {
> >  	unsigned char hex[HEX_CHARS];
> >  	const unsigned char *data = mem;
> >  	unsigned int start_len;
> >  	int i, j;
> > -	int cnt = 0;
> >  
> >  	if (s->full)
> > -		return 0;
> > +		return;
> >  
> >  	while (len) {
> >  		start_len = min(len, HEX_CHARS - 1);
> > @@ -334,10 +297,7 @@ int trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
> >  		/* j increments twice per loop */
> >  		len -= j / 2;
> >  		hex[j++] = ' ';
> > -
> > -		cnt += trace_seq_putmem(s, hex, j);
> 
> trace_seq_putmem(s, hex, j); should stay ;-)

Ouch! Looks like I got a little happy with the delete line key stroke.

Good catch!

Thanks,

-- Steve

> 
> Best Regards,
> Petr
> 
> >  	}
> > -	return cnt;
> >  }
> >  EXPORT_SYMBOL_GPL(trace_seq_putmem_hex);
> >  
> > -- 
> > 2.1.1
> > 
> > 
--
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