[PATCH V4 04/21] perf tools: fix parse_events_terms() segfault on error path

[Adrian Hunter <adrian.hunter@intel.com>]

On the error path, 'data.terms' may not have been
initialised.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
---
 tools/perf/util/parse-events.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 1ae166c..8fcd872 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -883,7 +883,8 @@ int parse_events_terms(struct list_head *terms, const char *str)
 		return 0;
 	}
 
-	parse_events__free_terms(data.terms);
+	if (data.terms)
+		parse_events__free_terms(data.terms);
 	return ret;
 }
 
-- 
1.7.11.7