perf tools: Add missing check for failure in a zalloc() call
authorTaeung Song <treeze.taeung@gmail.com>
Wed, 1 Feb 2017 12:34:05 +0000 (21:34 +0900)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 8 Feb 2017 12:41:11 +0000 (09:41 -0300)
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>
tools/perf/util/parse-events.c

index 2720600..1f1f77d 100644 (file)
@@ -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);