linux-kernel - [tip:perf/core] perf tools: Add missing check for failure in a zalloc() call

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Date:   Thu, 9 Feb 2017 23:46:06 -0800
From:   tip-bot for Taeung Song <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, acme@...hat.com, peterz@...radead.org,
        jolsa@...nel.org, wangnan0@...wei.com, mingo@...nel.org,
        linux-kernel@...r.kernel.org, namhyung@...nel.org,
        treeze.taeung@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] perf tools: Add missing check for failure in a
 zalloc() call

Commit-ID:  5aa365f29867eb739cde0713f00c7d80f36e0739
Gitweb:     http://git.kernel.org/tip/5aa365f29867eb739cde0713f00c7d80f36e0739
Author:     Taeung Song <treeze.taeung@...il.com>
AuthorDate: Wed, 1 Feb 2017 21:34:05 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 8 Feb 2017 09:41:11 -0300

perf tools: Add missing check for failure in a zalloc() call

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/1485952447-7013-3-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/parse-events.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 2720600..1f1f77d 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -211,6 +211,8 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
 				closedir(evt_dir);
 				closedir(sys_dir);
 				path = zalloc(sizeof(*path));
+				if (!path)
+					return NULL;
 				path->system = malloc(MAX_EVENT_LENGTH);
 				if (!path->system) {
 					free(path);