Re: [PATCH] tracing/histograms: Simplify create_hist_fields()

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On Thu, 30 Jun 2022 09:31:52 +0800
Zheng Yejian <zhengyejian1@xxxxxxxxxx> wrote:

> diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
> index 2784951e0fc8..832c4ccf41ab 100644
> --- a/kernel/trace/trace_events_hist.c
> +++ b/kernel/trace/trace_events_hist.c
> @@ -4454,7 +4454,7 @@ static int create_hist_fields(struct hist_trigger_data *hist_data,
>  
>  	ret = parse_var_defs(hist_data);
>  	if (ret)
> -		goto out;
> +		return ret;

This is a functional change.

>  
>  	ret = create_val_fields(hist_data, file);
>  	if (ret)
> @@ -4465,8 +4465,7 @@ static int create_hist_fields(struct hist_trigger_data *hist_data,
>  		goto out;
>  
>  	ret = create_key_fields(hist_data, file);
> -	if (ret)
> -		goto out;
> +
>   out:

This is not a functional change ;-)

If you just had the latter, then it would have been OK to state "No
functional changes".

-- Steve

>  	free_var_defs(hist_data);
>  



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