linux-kernel - [tip:perf/core] perf header: Set tracepoint event name only if not set

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Message-ID: <tip-618a3f1d30ea0ee2ff3a88661b8d6a4035123211@git.kernel.org>
Date:	Thu, 6 Sep 2012 23:07:21 -0700
From:	tip-bot for Namhyung Kim <namhyung.kim@....com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
	namhyung.kim@....com, namhyung@...nel.org, tglx@...utronix.de
Subject: [tip:perf/core] perf header:
  Set tracepoint event name only if not set

Commit-ID:  618a3f1d30ea0ee2ff3a88661b8d6a4035123211
Gitweb:     http://git.kernel.org/tip/618a3f1d30ea0ee2ff3a88661b8d6a4035123211
Author:     Namhyung Kim <namhyung.kim@....com>
AuthorDate: Wed, 5 Sep 2012 14:02:48 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 5 Sep 2012 17:46:34 -0300

perf header: Set tracepoint event name only if not set

The event name can be set already by processing a event_desc data.

So check it before setting to prevent possible leak.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1346821373-31621-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/header.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index a124b93..05c9310 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2314,7 +2314,7 @@ static int perf_evlist__set_tracepoint_names(struct perf_evlist *evlist,
 	struct perf_evsel *pos;
 
 	list_for_each_entry(pos, &evlist->entries, node) {
-		if (pos->attr.type == PERF_TYPE_TRACEPOINT &&
+		if (pos->attr.type == PERF_TYPE_TRACEPOINT && !pos->name &&
 		    perf_evsel__set_tracepoint_name(pos, pevent))
 			return -1;
 	}
--
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