linux-kernel - Re: [PATCH 3/4] tracing: Remove useless code in dynevent_arg_pair

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Date:   Sat, 1 Feb 2020 16:28:45 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Tom Zanussi <zanussi@...nel.org>
Cc:     rostedt@...dmis.org, artem.bityutskiy@...ux.intel.com,
        mhiramat@...nel.org, linux-kernel@...r.kernel.org,
        linux-rt-users@...r.kernel.org
Subject: Re: [PATCH 3/4] tracing: Remove useless code in
 dynevent_arg_pair_add()

On Fri, 31 Jan 2020 15:55:33 -0600
Tom Zanussi <zanussi@...nel.org> wrote:

> The final addition to q is unnecessary, since q isn't ever used
> afterwards.
> 

Yeah, thanks for updating :)

Reviewed-by: Masami Hiramatsu <mhiramat@...nel.org>

Thank you,


> Signed-off-by: Tom Zanussi <zanussi@...nel.org>
> ---
>  kernel/trace/trace_dynevent.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/trace/trace_dynevent.c b/kernel/trace/trace_dynevent.c
> index f9cfcdc9d1f3..204275ec8d71 100644
> --- a/kernel/trace/trace_dynevent.c
> +++ b/kernel/trace/trace_dynevent.c
> @@ -322,7 +322,7 @@ int dynevent_arg_pair_add(struct dynevent_cmd *cmd,
>  		pr_err("field string is too long: %s\n", arg_pair->rhs);
>  		return -E2BIG;
>  	}
> -	cmd->remaining -= delta; q += delta;
> +	cmd->remaining -= delta;
>  
>  	return ret;
>  }
> -- 
> 2.14.1
> 


-- 
Masami Hiramatsu <mhiramat@...nel.org>