linux-kernel - Re: [PATCH 2/2] kernel/trace_probe: is_good

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Date:	Tue, 22 Sep 2015 09:59:42 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Yaowei Bai <bywxiaobai@....com>
Cc:	mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] kernel/trace_probe: is_good_name can be boolean

On Tue, 22 Sep 2015 21:43:13 +0800
Yaowei Bai <bywxiaobai@....com> wrote:

> This patch makes is_good_name return bool to improve readability
> due to this particular function only using either one or zero as its
> return value.

This patch makes sense. I'll take it. Thanks!

-- Steve

> 
> No functional change.
> 
> Signed-off-by: Yaowei Bai <bywxiaobai@....com>
> ---
>  kernel/trace/trace_probe.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h
> index b98dee9..f6398db 100644
> --- a/kernel/trace/trace_probe.h
> +++ b/kernel/trace/trace_probe.h
> @@ -302,15 +302,15 @@ static nokprobe_inline void call_fetch(struct fetch_param *fprm,
>  }
>  
>  /* Check the name is good for event/group/fields */
> -static inline int is_good_name(const char *name)
> +static inline bool is_good_name(const char *name)
>  {
>  	if (!isalpha(*name) && *name != '_')
> -		return 0;
> +		return false;
>  	while (*++name != '\0') {
>  		if (!isalpha(*name) && !isdigit(*name) && *name != '_')
> -			return 0;
> +			return false;
>  	}
> -	return 1;
> +	return true;
>  }
>  
>  static inline struct event_file_link *

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