Re: [PATCH v2 1/2] ftrace: Rename set_tracer_flags()'s localvariable trace_flags

From: Frederic Weisbecker
Date: Fri Aug 07 2009 - 20:38:27 EST


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@xxxxxxxxxxxxxx>


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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