Re: [PATCH] perf_event: fix compile error

[Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>]

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