linux-kernel - Re: [PATCH v2 1/2] ftrace: Rename set_tracer_flags()'s local variable trace

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Date:	Sat, 8 Aug 2009 02:38:17 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Zhaolei <zhaolei@...fujitsu.com>
Cc:	Li Zefan <lizf@...fujitsu.com>,
	Steven Rostedt <srostedt@...hat.com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] ftrace: Rename set_tracer_flags()'s local
	variable trace_flags

On Fri, Aug 07, 2009 at 06:53:21PM +0800, Zhaolei wrote:
> set_tracer_flags() have a local variable named trace_flags which have
> same name with global one.
> Actually, using tracer_flags should be better by its meaning.
> 
> Changelog:
> v1->v2: Simplied another patch in this patchset, no change in this patch.
> 
> [ Impact: cleanup ]
> 
> Signed-off-by: Zhao Lei <zhaolei@...fujitsu.com>


Queued for .32, thanks!


> ---
>  kernel/trace/trace.c |   14 +++++++-------
>  1 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
> index 6344573..6c5f67f 100644
> --- a/kernel/trace/trace.c
> +++ b/kernel/trace/trace.c
> @@ -2117,23 +2117,23 @@ tracing_trace_options_read(struct file *filp, char __user *ubuf,
>  /* Try to assign a tracer specific option */
>  static int set_tracer_option(struct tracer *trace, char *cmp, int neg)
>  {
> -	struct tracer_flags *trace_flags = trace->flags;
> +	struct tracer_flags *tracer_flags = trace->flags;
>  	struct tracer_opt *opts = NULL;
>  	int ret = 0, i = 0;
>  	int len;
>  
> -	for (i = 0; trace_flags->opts[i].name; i++) {
> -		opts = &trace_flags->opts[i];
> +	for (i = 0; tracer_flags->opts[i].name; i++) {
> +		opts = &tracer_flags->opts[i];
>  		len = strlen(opts->name);
>  
>  		if (strncmp(cmp, opts->name, len) == 0) {
> -			ret = trace->set_flag(trace_flags->val,
> +			ret = trace->set_flag(tracer_flags->val,
>  				opts->bit, !neg);
>  			break;
>  		}
>  	}
>  	/* Not found */
> -	if (!trace_flags->opts[i].name)
> +	if (!tracer_flags->opts[i].name)
>  		return -EINVAL;
>  
>  	/* Refused to handle */
> @@ -2141,9 +2141,9 @@ static int set_tracer_option(struct tracer *trace, char *cmp, int neg)
>  		return ret;
>  
>  	if (neg)
> -		trace_flags->val &= ~opts->bit;
> +		tracer_flags->val &= ~opts->bit;
>  	else
> -		trace_flags->val |= opts->bit;
> +		tracer_flags->val |= opts->bit;
>  
>  	return 0;
>  }
> -- 
> 1.5.5.3
> 
> 

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