[PATCH 3/4] libtraceevent: prevent a memory leak in tep_plugin_add_option()

If parse_option_name() fails, plugin, which now points to the previous
value of option_str isn't freed. Go to out_free if that happen.

Fixes a RESOURCE_LEAK error (CWE-772)

Signed-off-by: Jerome Marchand <[email protected]>
---
 src/event-plugin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/event-plugin.c b/src/event-plugin.c
index 7f94107..c944204 100644
--- a/src/event-plugin.c
+++ b/src/event-plugin.c
@@ -327,7 +327,7 @@ int tep_plugin_add_option(const char *name, const char *val)
 		return -ENOMEM;
 
 	if (parse_option_name(&option_str, &plugin) < 0)
-		return -ENOMEM;
+		goto out_free;
 
 	/* If the option exists, update the val */
 	for (op = trace_plugin_options; op; op = op->next) {
-- 
2.45.1