Fix: ownership of filter and filter_expression

[lttng-tools.git] / src / bin / lttng-sessiond / cmd.c

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index 95e371d7b66fe527da607a7c60d0c49b871a2e63..a6ce344a483d11642bf751aae9fad1565aa46afd 100644 (file)
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -1512,6 +1512,9 @@ int cmd_enable_event(struct ltt_session *session, struct lttng_domain *domain,
                        event->type = LTTNG_EVENT_TRACEPOINT;   /* Hack */
                        ret = event_kernel_enable_event(kchan, event,
                                filter_expression, filter);
+                       /* We have passed ownership */
+                       filter_expression = NULL;
+                       filter = NULL;
                        if (ret != LTTNG_OK) {
                                if (channel_created) {
                                        /* Let's not leak a useless channel. */
@@ -1537,6 +1540,9 @@ int cmd_enable_event(struct ltt_session *session, struct lttng_domain *domain,
                case LTTNG_EVENT_TRACEPOINT:
                        ret = event_kernel_enable_event(kchan, event,
                                filter_expression, filter);
+                       /* We have passed ownership */
+                       filter_expression = NULL;
+                       filter = NULL;
                        if (ret != LTTNG_OK) {
                                if (channel_created) {
                                        /* Let's not leak a useless channel. */
@@ -1548,6 +1554,9 @@ int cmd_enable_event(struct ltt_session *session, struct lttng_domain *domain,
                case LTTNG_EVENT_SYSCALL:
                        ret = event_kernel_enable_event(kchan, event,
                                filter_expression, filter);
+                       /* We have passed ownership */
+                       filter_expression = NULL;
+                       filter = NULL;
                        if (ret != LTTNG_OK) {
                                goto error;
                        }