From 0217a5a18d2213f801a6b15ba72c99acb57d296e Mon Sep 17 00:00:00 2001
From: Antoine Busque <abusque@efficios.com>
Date: Sat, 12 Sep 2015 23:48:11 -0400
Subject: [PATCH] Fix: double free on enable-event
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Signed-off-by: Antoine Busque <abusque@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---
 src/bin/lttng-sessiond/cmd.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index 7b36ae252..cebe00169 100644
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -1619,9 +1619,10 @@ static int _cmd_enable_event(struct ltt_session *session,
 			event->type = LTTNG_EVENT_SYSCALL;	/* Hack */
 			ret = event_kernel_enable_event(kchan, event,
 				filter_expression_a, filter_a);
+			/* We have passed ownership */
+			filter_expression_a = NULL;
+			filter_a = NULL;
 			if (ret != LTTNG_OK) {
-				free(filter_expression_a);
-				free(filter_a);
 				goto error;
 			}
 			break;
-- 
2.34.1