[PATCH 4/4] tools lib traceevent: Free field if an error occurs on process_flags/symbols

[Namhyung Kim <namhyung@kernel.org>]

From: Namhyung Kim <namhyung.kim@lge.com>

The field should be freed on error paths.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/lib/traceevent/event-parse.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index e0f755111bd0..4d6c1e9f45f0 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2329,7 +2329,7 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok)
 		type = process_op(event, field, &token);
 
 	if (test_type_token(type, token, EVENT_DELIM, ","))
-		goto out_free;
+		goto out_free_field;
 	free_token(token);
 
 	arg->flags.field = field;
@@ -2351,7 +2351,9 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok)
 	type = read_token_item(tok);
 	return type;
 
- out_free:
+out_free_field:
+	free_arg(field);
+out_free:
 	free_token(token);
 	*tok = NULL;
 	return EVENT_ERROR;
@@ -2375,7 +2377,7 @@ process_symbols(struct event_format *event, struct print_arg *arg, char **tok)
 
 	type = process_arg(event, field, &token);
 	if (test_type_token(type, token, EVENT_DELIM, ","))
-		goto out_free;
+		goto out_free_field;
 
 	arg->symbol.field = field;
 
@@ -2387,7 +2389,9 @@ process_symbols(struct event_format *event, struct print_arg *arg, char **tok)
 	type = read_token_item(tok);
 	return type;
 
- out_free:
+out_free_field:
+	free_arg(field);
+out_free:
 	free_token(token);
 	*tok = NULL;
 	return EVENT_ERROR;
-- 
1.7.11.4