X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.c;h=a4e39f2648bafa24693f2c76c3559182ca63f3b6;hb=3230567ae6d2e19db03279369f9e6b34a54dc7f5;hp=84de277701cac345b865a1772dde9c6316e599ab;hpb=76ad88ce0969e585a5aa479f249db1a484fe9208;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index 84de27770..a4e39f264 100644
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -2978,12 +2978,14 @@ static uint64_t get_session_max_subbuf_size(struct ltt_session *session)
 		struct ltt_ust_channel *uchan;
 		struct ltt_ust_session *usess = session->ust_session;
 
+		rcu_read_lock();
 		cds_lfht_for_each_entry(usess->domain_global.channels->ht, &iter.iter,
 				uchan, node.node) {
 			if (uchan->attr.subbuf_size > max_size) {
 				max_size = uchan->attr.subbuf_size;
 			}
 		}
+		rcu_read_unlock();
 	}
 
 	return max_size;