linux-kernel - [tip:perf/core] perf tools: Use zfree() instead of ad hoc equivalent

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Date:   Thu, 9 Feb 2017 23:46:38 -0800
From:   tip-bot for Taeung Song <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     peterz@...radead.org, jolsa@...nel.org,
        linux-kernel@...r.kernel.org, treeze.taeung@...il.com,
        wangnan0@...wei.com, hpa@...or.com, acme@...hat.com,
        tglx@...utronix.de, namhyung@...nel.org, mingo@...nel.org
Subject: [tip:perf/core] perf tools: Use zfree() instead of ad hoc
 equivalent

Commit-ID:  506fde11a35f39e1b44478339c41e94dfd278aa2
Gitweb:     http://git.kernel.org/tip/506fde11a35f39e1b44478339c41e94dfd278aa2
Author:     Taeung Song <treeze.taeung@...il.com>
AuthorDate: Wed, 1 Feb 2017 21:34:06 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 8 Feb 2017 09:41:11 -0300

perf tools: Use zfree() instead of ad hoc equivalent

We have zfree(&ptr) for this very common pattern:

   free(ptr);
   ptr = NULL;

So use it in a few more places.

Signed-off-by: Taeung Song <treeze.taeung@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/r/1485952447-7013-4-git-send-email-treeze.taeung@gmail.com
[ rewrote commit log ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.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 1f1f77d..ab1ba22 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;
 	}
 }