X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.c;h=33ab492daf330eacacc239646b866b612d5975e8;hb=b11feea58d73a097e4e1447473798822da28a70d;hp=30f7d49babce04dd13abfef85234db060e4e7fba;hpb=7ffc31a26846c17bbb31a86ece6471f769805633;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index 30f7d49ba..33ab492da 100644
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -220,7 +220,9 @@ static int list_lttng_agent_events(struct agent *agt,
 
 	DBG3("Listing agent events");
 
+	rcu_read_lock();
 	nb_event = lttng_ht_get_count(agt->events);
+	rcu_read_unlock();
 	if (nb_event == 0) {
 		ret = nb_event;
 		goto error;
@@ -2550,10 +2552,12 @@ ssize_t cmd_list_events(int domain, struct ltt_session *session,
 			struct lttng_ht_iter iter;
 			struct agent *agt;
 
+			rcu_read_lock();
 			cds_lfht_for_each_entry(session->ust_session->agents->ht,
 					&iter.iter, agt, node.node) {
 				nb_event = list_lttng_agent_events(agt, events);
 			}
+			rcu_read_unlock();
 		}
 		break;
 	default: