linux-kernel - Re: [PATCH ftrace/core] tracing: Remove return value in event_trace_self_tests() when top_trace

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Date:	Fri, 06 Jun 2014 15:31:15 +0900
From:	Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@...achi.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org,
	Hidehiro Kawai <hidehiro.kawai.ez@...achi.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Ingo Molnar <mingo@...hat.com>, yrl.pp-manager.tt@...achi.com
Subject: Re: [PATCH ftrace/core] tracing: Remove return value in event_trace_self_tests()
 when top_trace_array() returns NULL

Hi Steven,

Thank you for applying my patches.
I received build warning report from kbuild test bot,
so I fixed it. Would you apply this patch?

Thank you,
Yoshihiro YUNOMAE

(2014/06/06 15:28), Yoshihiro YUNOMAE wrote:
> Remove return value in event_trace_self_tests() when top_trace_array() returns
> NULL because event_trace_self_tests() is void type.
>
> Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@...achi.com>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: linux-kernel@...r.kernel.org
> ---
>   kernel/trace/trace_events.c |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
> index 1349870..f99e0b3 100644
> --- a/kernel/trace/trace_events.c
> +++ b/kernel/trace/trace_events.c
> @@ -2547,7 +2547,7 @@ static __init void event_trace_self_tests(void)
>
>   	tr = top_trace_array();
>   	if (!tr)
> -		return -ENODEV;
> +		return;
>
>   	pr_info("Running tests on trace events:\n");
>
>
>

-- 
Yoshihiro YUNOMAE
Software Platform Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: yoshihiro.yunomae.ez@...achi.com


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