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Subject: Re: [PATCH V2]Perf:Return error code for perf_session__new function
 on failure
To:     Jiri Olsa <jolsa@redhat.com>
Cc:     linux-kernel@vger.kernel.org, peterz@infradead.org,
        mingo@redhat.com, alexander.shishkin@linux.intel.com,
        namhyung@kernel.org, kstewart@linuxfoundation.org,
        gregkh@linuxfoundation.org, jeremie.galarneau@efficios.com,
        shawn@git.icu, tstoyanov@vmware.com, tglx@linutronix.de,
        alexey.budankov@linux.intel.com, adrian.hunter@intel.com,
        songliubraving@fb.com, ravi.bangoria@linux.ibm.com
References: <20190822071223.17892.45782.stgit@localhost.localdomain>
 <20190822100718.GD28439@krava>
From:   Mamatha Inamdar <mamatha4@linux.vnet.ibm.com>
Date:   Thu, 22 Aug 2019 15:50:12 +0530
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On 22/08/19 3:37 PM, Jiri Olsa wrote:
> On Thu, Aug 22, 2019 at 12:50:49PM +0530, Mamatha Inamdar wrote:
>> This Patch is to return error code of perf_new_session function
>> on failure instead of NULL
>> ----------------------------------------------
>> Test Results:
>>
>> Before Fix:
>>
>> $ perf c2c report -input
>> failed to open nput: No such file or directory
>>
>> $ echo $?
>> 0
>> ------------------------------------------
>> After Fix:
>>
>> $ ./perf c2c report -input
>> failed to open nput: No such file or directory
>>
>> $ echo $?
>> 254
> [root@krava perf]# ./perf c2c report -input
> failed to open nput: No such file or directory
> [root@krava perf]# echo $?
> 255
>
> hum, not sure why I'm getting 255.. but it looks good now
>
> Reviewed-by: Jiri Olsa <jolsa@redhat.com>
>
> thanks,
> jirka
Thank you