Re: [PATCH] tracing: Remove duplicate warnings

[Steven Rostedt]

On Sun,  9 Jan 2022 21:48:58 +0800
Yuntao Wang <ytcoode@xxxxxxxxx> wrote:

> diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
> index 92be9cb1d7d4..d7da46df16c5 100644
> --- a/kernel/trace/trace_events.c
> +++ b/kernel/trace/trace_events.c
> @@ -3462,7 +3462,6 @@ create_event_toplevel_files(struct dentry *parent, struct trace_array *tr)
>  	entry = trace_create_file("enable", TRACE_MODE_WRITE, d_events,
>  				  tr, &ftrace_tr_enable_fops);
>  	if (!entry) {
> -		pr_warn("Could not create tracefs 'enable' entry\n");
>  		return -ENOMEM;
>  	}

If it is becoming a simple condition then you don't need the braces.

	if (!entry)
		return -ENOMEM;

-- Steve