From: Taeung Song <treeze.taeung@gmail.com>
Date: Wed, 1 Feb 2017 12:34:05 +0000 (+0900)
Subject: perf tools: Add missing check for failure in a zalloc() call
X-Git-Tag: v4.11-rc1~172^2~6^2~20
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=5aa365f29867eb739cde0713f00c7d80f36e0739;p=linux.git

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

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.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@redhat.com>
---

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 2720600b13a9..1f1f77d8d3ab 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);