mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: guanjing <guanjing@cmss.chinamobile.com>
To: Adrian Hunter <adrian.hunter@intel.com>,
	peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
	namhyung@kernel.org, mark.rutland@arm.com,
	alexander.shishkin@linux.intel.com, jolsa@kernel.org,
	irogers@google.com, algonell@gmail.com
Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] perf intel-pt: cleanup unneeded return variable inintel_pt_text_poke()
Date: Thu, 21 Nov 2024 18:31:21 +0800	[thread overview]
Message-ID: <94663eed-e5a7-4263-ab96-bf16fa94eb58@cmss.chinamobile.com> (raw)
In-Reply-To: <820e9b6b-16eb-446a-b524-adc8129726ec@intel.com>

Thank you for clarifying the proper usage of the Fixes tag. I understand 
now that it should only be applied when there is an actual fix to 
functionality. I will ensure to use it correctly in future submissions.

Thanks a lot!

On 2024/11/21 18:18, Adrian Hunter wrote:
> On 21/11/24 12:00, guanjing wrote:
>> Removed Unneeded variable: "ret"
>>
>> Fixes: 0dd5041c9a0e ("perf addr_location: Add init/exit/copy functions")
> A Fixes tag is not for patches that don't fix some functionality.
>
>> Signed-off-by: guanjing <guanjing@cmss.chinamobile.com>
>> ---
>>   tools/perf/util/intel-pt.c | 3 +--
>>   1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
>> index 30be6dfe09eb..6c0234acc669 100644
>> --- a/tools/perf/util/intel-pt.c
>> +++ b/tools/perf/util/intel-pt.c
>> @@ -3402,7 +3402,6 @@ static int intel_pt_text_poke(struct intel_pt *pt, union perf_event *event)
>>   	struct machine *machine = pt->machine;
>>   	struct intel_pt_cache_entry *e;
>>   	u64 offset;
>> -	int ret = 0;
>>   
>>   	addr_location__init(&al);
>>   	if (!event->text_poke.new_len)
>> @@ -3443,7 +3442,7 @@ static int intel_pt_text_poke(struct intel_pt *pt, union perf_event *event)
>>   	}
>>   out:
>>   	addr_location__exit(&al);
>> -	return ret;
>> +	return 0;
> Should just drop the return value entirely, since it is
> always zero.
>
>>   }
>>   
>>   static int intel_pt_process_event(struct perf_session *session,



      reply	other threads:[~2024-11-21 10:31 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-21 10:00 [PATCH v1] perf intel-pt: cleanup unneeded return variable in intel_pt_text_poke() guanjing
2024-11-21 10:18 ` Adrian Hunter
2024-11-21 10:31   ` guanjing [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=94663eed-e5a7-4263-ab96-bf16fa94eb58@cmss.chinamobile.com \
    --to=guanjing@cmss.chinamobile.com \
    --cc=acme@kernel.org \
    --cc=adrian.hunter@intel.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=algonell@gmail.com \
    --cc=irogers@google.com \
    --cc=jolsa@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-perf-users@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=mingo@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®