Message-ID: <4B16239B.90205@cn.fujitsu.com>
Date: Wed, 02 Dec 2009 16:21:47 +0800
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
User-Agent: Thunderbird 2.0.0.6 (Windows/20070728)
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To: Ingo Molnar <mingo@elte.hu>
CC: Peter Zijlstra <a.p.zijlstra@chello.nl>,
       LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] perf_event: fix compile error
References: <4B162089.8000907@cn.fujitsu.com> <20091202081745.GD16218@elte.hu>
In-Reply-To: <20091202081745.GD16218@elte.hu>
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Ingo Molnar wrote:
> * Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> wrote:
> 
>> cc1: warnings being treated as errors
>> builtin-probe.c: In function ???cmd_probe???:
>> builtin-probe.c:163: error: unused variable ???fd???
>>
>> Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
>> ---
>>  tools/perf/builtin-probe.c |    3 ++-
>>  1 files changed, 2 insertions(+), 1 deletions(-)
>>
>> diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
>> index b5d15cf..64ea038 100644
>> --- a/tools/perf/builtin-probe.c
>> +++ b/tools/perf/builtin-probe.c
>> @@ -160,7 +160,8 @@ static const struct option options[] = {
>>  
>>  int cmd_probe(int argc, const char **argv, const char *prefix __used)
>>  {
>> -	int i, j, fd, ret;
>> +	int i, j, ret;
>> +	int fd __used;
>>  	struct probe_point *pp;
> 
> i think it's better to initialize it to -1 instead of turning off the 
> warning.
> 

Hi Ingo,

I have try this way but the error still exists :-(

Thanks,
Xiao
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