linux-kernel - [PATCH v3 3/4] perf tools: Use zfree() instead of free() and assigning NULL to the pointer

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Date:   Wed,  1 Feb 2017 21:34:06 +0900
From:   Taeung Song <treeze.taeung@...il.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Wang Nan <wangnan0@...wei.com>,
        Taeung Song <treeze.taeung@...il.com>
Subject: [PATCH v3 3/4] perf tools: Use zfree() instead of free() and assigning NULL to the pointer

Signed-off-by: Taeung Song <treeze.taeung@...il.com>
---
 tools/perf/util/parse-events.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 0c3b81a..316f054 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -254,8 +254,7 @@ struct tracepoint_path *tracepoint_name_to_path(const char *name)
 	if (path->system == NULL || path->name == NULL) {
 		zfree(&path->system);
 		zfree(&path->name);
-		free(path);
-		path = NULL;
+		zfree(&path);
 	}
 
 	return path;
@@ -1482,8 +1481,7 @@ static void perf_pmu__parse_cleanup(void)
 			p = perf_pmu_events_list + i;
 			free(p->symbol);
 		}
-		free(perf_pmu_events_list);
-		perf_pmu_events_list = NULL;
+		zfree(&perf_pmu_events_list);
 		perf_pmu_events_list_num = 0;
 	}
 }
-- 
2.7.4